CVE-2026-103111: 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.

Overview

Severity

High (CVSS 7.6)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-01

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-10-01: Information published.