CVE-2026-89157

Description

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 Release Notes
• https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9 ExploitMitigationVendor Advisory