CVE-2026-103111CWE-787

CVE-2026-103111

High · published September 30, 2026

CVSS v3.1
7.6
EPSS
0%
Percentile
11.2
In the wild
Unconfirmed
What it is

PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.

The record
Technical detail
CVSS v3.1
7.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00214 · 11.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-30T09:16Z
References (3)
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m · [email protected]https://lists.debian.org/debian-lts-announce/2026/10/msg00008.html · af854a3a-2127-422b-91ae-364da2661108https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 01 OCT 03:44Z
    EPSS moved — → 0%
    epss
  • 30 SEP 04:13Z
    PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data
    cvelistv5