CVE-2026-103111

Public on 2026-09-30
Modified on 2026-10-01
Description
A flaw was found in pcre2. When an application processes attacker-controlled regular expressions using certain Just-In-Time (JIT) compiler interfaces, an out-of-bounds write with arbitrary data can occur. An attacker could exploit this vulnerability to achieve arbitrary code execution, corrupt memory, or cause a denial of service (DoS).
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.6
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core pcre2 Pending Fix
Amazon Linux 2023 pcre2 Pending Fix
Amazon Linux 2027 Preview pcre2 Pending Fix
Amazon Linux 2 - Php8.2 Extra php Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L