CVE-2026-89156: PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.

Overview

Severity

Low (CVSS 2.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-12

EPSS Score

0.10% (percentile: 1.0%)

Affected Products (1)

Other

• 21801-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-12: Information published.