Buffer overflow in Pcre Pcre2
CVE-2025-58050
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 handl…
Vulnerability class: Buffer Overflow
EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Pcre Pcre2 — versions 10.45
- Pcre2project Pcre2 — versions = 10.45
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-58050?
- CVE-2025-58050 is a critical-severity vulnerability in Pcre Pcre2, classified under Heap-based Buffer Overflow. CVSS score: 9.1/10. Published 2025-08-27.
- How severe is CVE-2025-58050?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2025-58050 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.