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.
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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libpcre2-16-0 · Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | libpcre2-16-0 10.45-1ubuntu0.1 | Jan 16, 2026 |
| libpcre2-32-0 · Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | libpcre2-32-0 10.45-1ubuntu0.1 | Jan 16, 2026 |
| libpcre2-8-0 · Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | libpcre2-8-0 10.45-1ubuntu0.1 | Jan 16, 2026 |
| libpcre2-posix3 · Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | libpcre2-posix3 10.45-1ubuntu0.1 | Jan 16, 2026 |
| pcre2 · Debian 13.5 (trixie) | 10.46-1~deb13u1 | DEBIAN-CVE-2025-58050 | Aug 27, 2025 |
| pcre2 · Debian 14 | 10.46-1 | DEBIAN-CVE-2025-58050 | Aug 27, 2025 |
| pcre2 · opensuse-leap 16.0 | 10.45-160000.3.1 | OPENSUSE-SU-2026:20512-1 | Apr 10, 2026 |
| pcre2 · sles 16.0 | 10.45-160000.3.1 | SUSE-SU-2026:21172-1 | Apr 10, 2026 |
| pcre2-utils · Ubuntu 25.04 (plucky) | 10.45-1ubuntu0.1 | pcre2-utils 10.45-1ubuntu0.1 | Jan 16, 2026 |
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