{"id":"CVE-2026-40467","summary":"Use after free in gawk","details":"Use After Free vulnerability has been found in \"io.c\" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below.","modified":"2026-10-26T02:30:58.892233994Z","published":"2026-07-13T12:07:52.006Z","related":["ALSA-2026:73429","ALSA-2026:73511","ALSA-2026:73512","SUSE-SU-2026:22767-1","SUSE-SU-2026:22831-1","SUSE-SU-2026:23042-1","SUSE-SU-2026:3455-1","openSUSE-SU-2026:21393-1"],"database_specific":{"cwe_ids":["CWE-416"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40467.json","unresolved_ranges":[{"extracted_events":[{"range":[{"last_affected":"5.4.0"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]},{"extracted_events":[{"source":"DESCRIPTION","range":[{"last_affected":"5.4.0"}]}]}],"cna_assigner":"CERT-PL"},"references":[{"type":"WEB","url":"https://cgit.git.savannah.gnu.org/cgit/gawk.git/"},{"type":"ADVISORY","url":"https://cert.pl/en/posts/2026/07/CVE-2026-40467"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40467.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40467"},{"type":"FIX","url":"https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/gawk.git","events":[{"introduced":"0"},{"fixed":"a2d18c74109e41bec29a23098eba2e00057286d8"}],"database_specific":{"extracted_events":[{"source":"REFERENCES_COMMIT","range":[{"fixed":"a2d18c74109e41bec29a23098eba2e00057286d8"}]}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40467.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}