# CVE-2025-58050: libpcre2-8-0: The PCRE2 library is a set of C functions that implement regular expressionpattern matching

CVE-2025-58050 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2025-58050, released August 27, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-58050
- Priority: High
- CVSS: 9.1 (Medium)
- EPSS: 0.0086
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 27, 2025

## Description

The PCRE2 library is a set of C functions that implement regular expressionpattern matching. In version 10.45, a heap-buffer-overflow readvulnerability exists in the PCRE2 regular expression matching engine,specifically within the handling of the (*scs:...) (Scan SubString) verbwhen combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability maypotentially lead to information disclosure if the out-of-bounds data readduring the memcmp affects the final match result in a way observable by theattacker. This issue has been resolved in version 10.46.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libpcre2-16-0 Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | [libpcre2-16-0 10.45-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libpcre2-16-0-10.45-1ubuntu0.1.md) | Jan 16, 2026 |
| Linux | libpcre2-32-0 Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | [libpcre2-32-0 10.45-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libpcre2-32-0-10.45-1ubuntu0.1.md) | Jan 16, 2026 |
| Linux | libpcre2-8-0 Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | [libpcre2-8-0 10.45-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libpcre2-8-0-10.45-1ubuntu0.1.md) | Jan 16, 2026 |
| Linux | libpcre2-posix3 Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | [libpcre2-posix3 10.45-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libpcre2-posix3-10.45-1ubuntu0.1.md) | Jan 16, 2026 |
| Linux | pcre2 Debian 13.5 (trixie) | 10.46-1~deb13u1 | [DEBIAN-CVE-2025-58050](https://patchblox.com/security/data/fix/linux/debian-cve-2025-58050.md) | Aug 27, 2025 |
| Linux | pcre2 Debian 14 | 10.46-1 | [DEBIAN-CVE-2025-58050](https://patchblox.com/security/data/fix/linux/debian-cve-2025-58050.md) | Aug 27, 2025 |
| Linux | pcre2 opensuse-leap 16.0 | 10.45-160000.3.1 | [OPENSUSE-SU-2026:20512-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20512-1.md) | Apr 10, 2026 |
| Linux | pcre2 sles 16.0 | 10.45-160000.3.1 | [SUSE-SU-2026:21172-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21172-1.md) | Apr 10, 2026 |
| Linux | pcre2-utils Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | [pcre2-utils 10.45-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-pcre2-utils-10.45-1ubuntu0.1.md) | Jan 16, 2026 |

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Data as of 2026-11-09T07:25:28Z 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

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