CVE-2026-89157CWE-190

CVE-2026-89157

Medium · published September 11, 2026

CVSS v3.1
5.7
EPSS
0%
Percentile
19.2
In the wild
Unconfirmed
What it is

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

The record
Technical detail
CVSS v3.1
5.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00278 · 19.2th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-09-11T08:18Z
Affected products (2)
ProductVersionsFixed in
pcre/pcre2≥ 10.30, < 10.4810.48
pcre/pcre2all versions—
References (3)
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 · [email protected]https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9 · [email protected]https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 11 SEP 04:05Z
    PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern
    cvelistv5