{"id":"CVE-2018-20969","details":"do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.","modified":"2026-04-16T04:39:25.039362197Z","published":"2019-08-16T04:15:09.860Z","related":["CGA-r86q-78r7-8mwq"],"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2798"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3758"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:4061"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2964"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3757"},{"type":"FIX","url":"https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0"},{"type":"FIX","url":"https://seclists.org/bugtraq/2019/Aug/29"},{"type":"PACKAGE","url":"https://github.com/irsl/gnu-patch-vulnerabilities"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20969.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.7.6"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}