CVE-2026-89156: Pcre PCRE2

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

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

Affected products

• Pcre PCRE2: before 10.48 (fixed in 10.48); version 10.48 only

Published 2026-09-11. Last modified 2026-09-16.