CVE-2026-89158CWE-190

CVE-2026-89158

Medium · published September 11, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
15.1
In the wild
Unconfirmed
What it is

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00247 · 15.1th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-09-11T08:18Z
Affected products (2)
ProductVersionsFixed in
pcre/pcre2< 10.4810.48
pcre/pcre2all versions—
References (2)
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 · [email protected]https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-fmgr-6ggq-9859 · [email protected]
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 11 SEP 04:07Z
    PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write
    cvelistv5