CVE-2026-89157
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.
- Published Sep 11, 2026
- CVSS 7.4 high
- 0.3% chance of exploitation in the next 30 days (EPSS)
- Public exploit code is available
- A fix is available