CVE-2025-58050

CWE-122 — Heap-based Buffer OverflowCWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write6 documents6 sources
Severity
6.9MEDIUM
EPSS
0.0%
top 90.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Pcre2project Pcre2Pcre Pcre2
Timeline
PublishedAug 27
Latest updateSep 25

Description

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 …

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L

Affected Packages3 packages

▶Debianpcre2< 10.46-1~deb13u1+1
▶NVDpcre/pcre210.45
▶CVEListV5pcre2project/pcre2= 10.45

Patches

Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2025-58050: The PCRE2 library is a set of C functions that implement regular expression pattern matching↗2025-08-27
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CVEList
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS↗2025-08-27
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📋Vendor Advisories

3
Ubuntu
PCRE2 vulnerability↗2025-09-25
▶
Red Hat
pcre2: PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS↗2025-08-27
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Debian
CVE-2025-58050: pcre2 - The PCRE2 library is a set of C functions that implement regular expression patt...↗2025
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