{"id":"CVE-2026-40467","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-40467","summary":"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.","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.","published":"2026-07-13T13:16:36.770","modified":"2026-07-14T01:13:59.517","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00213,"percentile":0.11484,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://cert.pl/en/posts/2026/07/CVE-2026-40467"},{"type":"FIX","url":"https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=a2d18c74109e41bec29a23098eba2e00057286d8"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-07-14T01:13:59.517"}}