CVE-2020-16156
perl-modules-5.26: CPAN 2.28 allows Signature Verification Bypass.
CVE-2020-16156 is fixed in 10 products on 1 platform, first by libperl5.26 5.26.1-6ubuntu0.6, released December 13, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0086
58th percentile
CPAN 2.28 allows Signature Verification Bypass.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libperl5.26 · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.6 | libperl5.26 5.26.1-6ubuntu0.6 | Dec 13, 2021 |
| libperl5.30 · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.3 | libperl5.30 5.30.0-9ubuntu0.3 | Dec 13, 2021 |
| libperl5.34 · Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.1 | libperl5.34 5.34.0-3ubuntu1.1 | Dec 13, 2021 |
| perl · Debian 11.6 (bullseye) | 5.32.1-4+deb11u4 | DLA-3926-1 | Oct 21, 2024 |
| perl · Debian 12.15 (bookworm) | 5.36.0-4 | DEBIAN-CVE-2020-16156 | Dec 13, 2021 |
| perl · Debian 13.5 (trixie) | 5.36.0-4 | DEBIAN-CVE-2020-16156 | Dec 13, 2021 |
| perl · Debian 14 | 5.36.0-4 | DEBIAN-CVE-2020-16156 | Dec 13, 2021 |
| perl · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.6 | perl 5.26.1-6ubuntu0.6 | Dec 13, 2021 |
| perl · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.3 | perl 5.30.0-9ubuntu0.3 | Dec 13, 2021 |
| perl · Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.1 | perl 5.34.0-3ubuntu1.1 | Dec 13, 2021 |
| perl-CPAN · RHEL 8 | 0:2.18-402.el8_10 | RHSA-2025:8432 | Jun 3, 2025 |
| perl-CPAN · almalinux 8 | 2.18-402.el8_10 | ALSA-2025:8432 | Jun 3, 2025 |
| perl-CPAN · ol 8 | 0:2.18-402.el8_10 | ELSA-2025-8432 | Jun 3, 2025 |
| perl-CPAN · rocky 8 | 0:2.18-402.el8_10 | RLSA-2025:8432 | Jul 29, 2025 |
| perl-base · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.6 | perl-base 5.26.1-6ubuntu0.6 | Dec 13, 2021 |
| perl-base · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.3 | perl-base 5.30.0-9ubuntu0.3 | Dec 13, 2021 |
| perl-base · Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.1 | perl-base 5.34.0-3ubuntu1.1 | Dec 13, 2021 |
| perl-debug · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.6 | perl-debug 5.26.1-6ubuntu0.6 | Dec 13, 2021 |
| perl-debug · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.3 | perl-debug 5.30.0-9ubuntu0.3 | Dec 13, 2021 |
| perl-debug · Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.1 | perl-debug 5.34.0-3ubuntu1.1 | Dec 13, 2021 |
| perl-modules-5.26 · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.6 | perl-modules-5.26 5.26.1-6ubuntu0.6 | Dec 13, 2021 |
| perl-modules-5.30 · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.3 | perl-modules-5.30 5.30.0-9ubuntu0.3 | Dec 13, 2021 |
| perl-modules-5.34 · Ubuntu 22.04.1 LTS (jammy) | 5.34.0-3ubuntu1.1 | perl-modules-5.34 5.34.0-3ubuntu1.1 | Dec 13, 2021 |
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