CVE-2026-89161

Description

References

• PCRE2Project/pcre2#937 · Patch
• PCRE2Project/pcre2 release pcre2-10.48 · Release Notes

More vulnerabilities in pcre2

• CVE-2026-89162LOW 3.3In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available …
• CVE-2026-89160MEDIUM 6.5PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
• CVE-2026-89158MEDIUM 6.5PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
• CVE-2026-89157HIGH 7.4PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
• CVE-2026-89156MEDIUM 5.9PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.