PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Summary
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Original description
The description as published by the source.
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability may potentially lead to information disclosure if the out-of-bounds data read during the memcmp affects the final match result in a way observable by the attacker. This issue has been resolved in version 10.46.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2025-58050 pcre2 Fixed in: 10.46-r0
- Debian DEBIAN-CVE-2025-58050 pcre2 Fixed in: 10.46-1~deb13u1
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web github.com