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
Last Updated
2026-09-29
EPSS Score
0.29% (percentile: 21.9%)

Affected Products (1)

Other

  • 21801-17084

Security Updates (1)

Revision History

  • 2026-09-12: Information published.
  • 2026-09-16: Information published.
  • 2026-09-17: Information published.
  • 2026-09-17: Information published.
  • 2026-09-19: Information published.
  • 2026-09-22: Information published.
  • 2026-09-24: Information published.
  • 2026-09-29: Information published.