{"id":"CVE-2026-103111","details":"PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.","aliases":["GHSA-r9hj-j2rw-4q3m"],"modified":"2026-10-01T11:30:16.968186787Z","published":"2026-09-30T04:13:59.115Z","database_specific":{"cna_assigner":"mitre","cwe_ids":["CWE-787"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103111.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103111.json"},{"type":"ADVISORY","url":"https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103111"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pcre2project/pcre2","events":[{"introduced":"0"},{"fixed":"6f9d7c1373262c541324a16a358785b33ef116cf"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"10.49"},{"introduced":"PCRE2"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["pcre2-10.39","pcre2-10.40","pcre2-10.44","pcre2-10.43","pcre2-10.42","pcre2-10.43-RC1","pcre2-10.41","pcre2-10.38","pcre2-10.38-RC1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-103111.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L"}]}