{"id":"CVE-2026-89161","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89161","summary":null,"details":"In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.","published":"2026-09-11T04:11:51.666Z","modified":"2026-09-13T03:30:17.717828742Z","cvss":{"score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/PCRE2Project/pcre2/pull/937","label":"PCRE2Project/pcre2#937"},"references":[{"type":"WEB","url":"https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89161.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89161"},{"type":"FIX","url":"https://github.com/PCRE2Project/pcre2/pull/937"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-13T03:30:17.717828742Z"}}