# CVE-2026-15534: Perl versions through 5.45.1 have out-of-bounds heap reads and writes during regular expression matching via an undersized superlinear cache in S_regmatch

CVE-2026-15534 is fixed in 132 products on 1 platform, first by libperl5.38t64 5.38.2-3.2ubuntu0.6, released August 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-15534
- Priority: Routine
- CVSS: 5.7 (Moderate)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 9, 2026
- Weakness: Integer Overflow or Wraparound
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15534

## Description

Perl versions through 5.45.1 have out-of-bounds heap reads and writes during regular expression matching via an undersized superlinear cache in S_regmatch. The regex engine's superlinear cache holds one bit per subject position for each participating WHILEM node, so the bit count is the subject length plus one times the number of nodes. Nothing checks that product for positive overflow of the signed 32-bit count: a 286331153 byte subject matched against a pattern with 15 participating nodes stores the count as 14, leaving a two byte cache. The cache is then indexed from the real match position and node number, so reads go past the end of the allocation, and on failure CACHEsayNO sets a bit past it. A caller that matches an attacker controlled subject of this size against a pattern of this shape can crash the process or corrupt heap memory.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libperl5.26 Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.7+esm4 | [libperl5.26 5.26.1-6ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libperl5.26-5.26.1-6ubuntu0.7-esm4.md) | Sep 10, 2026 |
| Linux | libperl5.30 Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.5+esm4 | [libperl5.30 5.30.0-9ubuntu0.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libperl5.30-5.30.0-9ubuntu0.5-esm4.md) | Sep 10, 2026 |
| Linux | libperl5.34 Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.9 | [libperl5.34 5.34.0-3ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libperl5.34-5.34.0-3ubuntu1.9.md) | Sep 10, 2026 |
| Linux | libperl5.38t64 Ubuntu 24.04.5 LTS (noble) | 5.38.2-3.2ubuntu0.6 | [libperl5.38t64 5.38.2-3.2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libperl5.38t64-5.38.2-3.2ubuntu0.6.md) | Aug 13, 2026 |
| Linux | libperl5.40 Ubuntu 26.04.1 LTS (resolute) | 5.40.1-7ubuntu0.2 | [libperl5.40 5.40.1-7ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libperl5.40-5.40.1-7ubuntu0.2.md) | Aug 13, 2026 |
| Linux | perl Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.7+esm4 | [perl 5.26.1-6ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-5.26.1-6ubuntu0.7-esm4.md) | Sep 10, 2026 |
| Linux | perl Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.5+esm4 | [perl 5.30.0-9ubuntu0.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-perl-5.30.0-9ubuntu0.5-esm4.md) | Sep 10, 2026 |
| Linux | perl Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.9 | [perl 5.34.0-3ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-perl-5.34.0-3ubuntu1.9.md) | Sep 10, 2026 |
| Linux | perl Ubuntu 24.04.5 LTS (noble) | 5.38.2-3.2ubuntu0.6 | [perl 5.38.2-3.2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-perl-5.38.2-3.2ubuntu0.6.md) | Aug 13, 2026 |
| Linux | perl Ubuntu 26.04.1 LTS (resolute) | 5.40.1-7ubuntu0.2 | [perl 5.40.1-7ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-perl-5.40.1-7ubuntu0.2.md) | Aug 13, 2026 |
| Linux | perl amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Attribute-Handlers amzn 2023 | 1.01-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-AutoLoader amzn 2023 | 5.74-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-AutoSplit amzn 2023 | 5.74-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-B amzn 2023 | 1.80-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-B-debuginfo amzn 2023 | 1.80-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Benchmark amzn 2023 | 1.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Class-Struct amzn 2023 | 0.66-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Config-Extensions amzn 2023 | 0.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-DBM_Filter amzn 2023 | 0.06-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Devel-Peek amzn 2023 | 1.28-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Devel-Peek-debuginfo amzn 2023 | 1.28-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Devel-SelfStubber amzn 2023 | 1.06-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-DirHandle amzn 2023 | 1.05-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Dumpvalue amzn 2023 | 2.27-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-DynaLoader amzn 2023 | 1.47-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-English amzn 2023 | 1.11-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Errno amzn 2023 | 1.30-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ExtUtils-Constant amzn 2023 | 0.25-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ExtUtils-Embed amzn 2023 | 1.35-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ExtUtils-Miniperl amzn 2023 | 1.09-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Fcntl amzn 2023 | 1.13-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Fcntl-debuginfo amzn 2023 | 1.13-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-Basename amzn 2023 | 2.85-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-Compare amzn 2023 | 1.100.600-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-Copy amzn 2023 | 2.34-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-DosGlob amzn 2023 | 1.12-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-DosGlob-debuginfo amzn 2023 | 1.12-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-Find amzn 2023 | 1.37-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-File-stat amzn 2023 | 1.09-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-FileCache amzn 2023 | 1.10-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-FileHandle amzn 2023 | 2.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-FindBin amzn 2023 | 1.51-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-GDBM_File amzn 2023 | 1.18-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-GDBM_File-debuginfo amzn 2023 | 1.18-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Getopt-Std amzn 2023 | 1.12-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Hash-Util amzn 2023 | 0.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Hash-Util-FieldHash amzn 2023 | 1.20-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Hash-Util-FieldHash-debuginfo amzn 2023 | 1.20-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Hash-Util-debuginfo amzn 2023 | 0.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-I18N-Collate amzn 2023 | 1.02-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-I18N-LangTags amzn 2023 | 0.44-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-I18N-Langinfo amzn 2023 | 0.19-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-I18N-Langinfo-debuginfo amzn 2023 | 0.19-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-IO amzn 2023 | 1.43-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-IO-debuginfo amzn 2023 | 1.43-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-IPC-Open3 amzn 2023 | 1.21-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Locale-Maketext-Simple amzn 2023 | 1:0.21-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Math-Complex amzn 2023 | 1.59-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Memoize amzn 2023 | 1.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Module-Loaded amzn 2023 | 1:0.08-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-NDBM_File amzn 2023 | 1.15-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-NDBM_File-debuginfo amzn 2023 | 1.15-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-NEXT amzn 2023 | 0.67-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Net amzn 2023 | 1.02-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ODBM_File amzn 2023 | 1.16-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ODBM_File-debuginfo amzn 2023 | 1.16-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Opcode amzn 2023 | 1.48-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Opcode-debuginfo amzn 2023 | 1.48-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-POSIX amzn 2023 | 1.94-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-POSIX-debuginfo amzn 2023 | 1.94-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Pod-Functions amzn 2023 | 1.13-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Pod-Html amzn 2023 | 1.25-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Safe amzn 2023 | 2.41-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Search-Dict amzn 2023 | 1.07-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-SelectSaver amzn 2023 | 1.02-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-SelfLoader amzn 2023 | 1.26-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Symbol amzn 2023 | 1.08-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Sys-Hostname amzn 2023 | 1.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Sys-Hostname-debuginfo amzn 2023 | 1.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Term-Complete amzn 2023 | 1.403-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Term-ReadLine amzn 2023 | 1.17-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Test amzn 2023 | 1.31-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Text-Abbrev amzn 2023 | 1.02-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Thread amzn 2023 | 3.05-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Thread-Semaphore amzn 2023 | 2.13-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Tie amzn 2023 | 4.6-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Tie-File amzn 2023 | 1.06-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Tie-Memoize amzn 2023 | 1.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Time amzn 2023 | 1.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Time-Piece amzn 2023 | 1.3401-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Time-Piece-debuginfo amzn 2023 | 1.3401-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-Unicode-UCD amzn 2023 | 0.75-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-User-pwent amzn 2023 | 1.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-autouse amzn 2023 | 1.11-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-base Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.7+esm4 | [perl-base 5.26.1-6ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-base-5.26.1-6ubuntu0.7-esm4.md) | Sep 10, 2026 |
| Linux | perl-base Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.5+esm4 | [perl-base 5.30.0-9ubuntu0.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-perl-base-5.30.0-9ubuntu0.5-esm4.md) | Sep 10, 2026 |
| Linux | perl-base Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.9 | [perl-base 5.34.0-3ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-perl-base-5.34.0-3ubuntu1.9.md) | Sep 10, 2026 |
| Linux | perl-base Ubuntu 24.04.5 LTS (noble) | 5.38.2-3.2ubuntu0.6 | [perl-base 5.38.2-3.2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-perl-base-5.38.2-3.2ubuntu0.6.md) | Aug 13, 2026 |
| Linux | perl-base Ubuntu 26.04.1 LTS (resolute) | 5.40.1-7ubuntu0.2 | [perl-base 5.40.1-7ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-perl-base-5.40.1-7ubuntu0.2.md) | Aug 13, 2026 |
| Linux | perl-base amzn 2023 | 2.27-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-blib amzn 2023 | 1.07-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-debug Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.7+esm4 | [perl-debug 5.26.1-6ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-debug-5.26.1-6ubuntu0.7-esm4.md) | Sep 10, 2026 |
| Linux | perl-debug Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.5+esm4 | [perl-debug 5.30.0-9ubuntu0.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-perl-debug-5.30.0-9ubuntu0.5-esm4.md) | Sep 10, 2026 |
| Linux | perl-debug Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.9 | [perl-debug 5.34.0-3ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-perl-debug-5.34.0-3ubuntu1.9.md) | Sep 10, 2026 |
| Linux | perl-debug Ubuntu 24.04.5 LTS (noble) | 5.38.2-3.2ubuntu0.6 | [perl-debug 5.38.2-3.2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-perl-debug-5.38.2-3.2ubuntu0.6.md) | Aug 13, 2026 |
| Linux | perl-debug Ubuntu 26.04.1 LTS (resolute) | 5.40.1-7ubuntu0.2 | [perl-debug 5.40.1-7ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-perl-debug-5.40.1-7ubuntu0.2.md) | Aug 13, 2026 |
| Linux | perl-debugger amzn 2023 | 1.56-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-debuginfo amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-debugsource amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-deprecate amzn 2023 | 0.04-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-devel amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-diagnostics amzn 2023 | 1.37-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-doc amzn 2023 | 5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-encoding-warnings amzn 2023 | 0.13-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-fields amzn 2023 | 2.27-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-filetest amzn 2023 | 1.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-if amzn 2023 | 0.60.800-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-interpreter amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-interpreter-debuginfo amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-less amzn 2023 | 0.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-lib amzn 2023 | 0.65-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-libnetcfg amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-libs amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-libs-debuginfo amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-locale amzn 2023 | 1.09-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-macros amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-meta-notation amzn 2023 | 5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-modules-5.26 Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.7+esm4 | [perl-modules-5.26 5.26.1-6ubuntu0.7+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-modules-5.26-5.26.1-6ubuntu0.7-esm4.md) | Sep 10, 2026 |
| Linux | perl-modules-5.30 Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.5+esm4 | [perl-modules-5.30 5.30.0-9ubuntu0.5+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-perl-modules-5.30-5.30.0-9ubuntu0.5-esm4.md) | Sep 10, 2026 |
| Linux | perl-modules-5.34 Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.9 | [perl-modules-5.34 5.34.0-3ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-perl-modules-5.34-5.34.0-3ubuntu1.9.md) | Sep 10, 2026 |
| Linux | perl-modules-5.38 Ubuntu 24.04.5 LTS (noble) | 5.38.2-3.2ubuntu0.6 | [perl-modules-5.38 5.38.2-3.2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-perl-modules-5.38-5.38.2-3.2ubuntu0.6.md) | Aug 13, 2026 |
| Linux | perl-modules-5.40 Ubuntu 26.04.1 LTS (resolute) | 5.40.1-7ubuntu0.2 | [perl-modules-5.40 5.40.1-7ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-perl-modules-5.40-5.40.1-7ubuntu0.2.md) | Aug 13, 2026 |
| Linux | perl-mro amzn 2023 | 1.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-mro-debuginfo amzn 2023 | 1.23-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-open amzn 2023 | 1.12-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-overload amzn 2023 | 1.31-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-overloading amzn 2023 | 0.02-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-ph amzn 2023 | 5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-sigtrap amzn 2023 | 1.09-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-sort amzn 2023 | 2.04-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-subs amzn 2023 | 1.03-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-tests amzn 2023 | 4:5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-utils amzn 2023 | 5.32.1-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-vars amzn 2023 | 1.05-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |
| Linux | perl-vmsish amzn 2023 | 1.04-477.amzn2023.0.11 | [ALAS2023-2026-3279](https://patchblox.com/security/data/fix/linux/alas2023-2026-3279.md) | Nov 7, 2026 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.