CVE-2026-89158: Pcre PCRE2

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.

Affected products

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

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