{"id":"CVE-2026-43861","details":"mutt before 2.3.2 does not check for '\\0' in url_pct_decode.","modified":"2026-05-18T06:00:14.213476730Z","published":"2026-05-04T05:52:59.642Z","related":["openSUSE-SU-2026:10695-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43861.json","cna_assigner":"mitre","cwe_ids":["CWE-158"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43861.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43861"},{"type":"FIX","url":"https://github.com/muttmua/mutt/commit/12f54fe3b61f761c096fe95e95d5e3072af00ed2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/muttmua/mutt","events":[{"introduced":"0"},{"fixed":"31864ba90b7043675e09f82f73dceaa605a71584"}]}],"versions":["mutt-2-3-1-rel","mutt-2-3-rel","mutt-2-2-rel","mutt-2-1-rel","mutt-2-0-rel","mutt-1-14-rel","mutt-1-13-rel","mutt-1-12-rel","mutt-1-11-rel","mutt-1-10-rel","mutt-1-9-rel","mutt-1-8-rel","mutt-1-7-rel","mutt-1-6-rel","mutt-1-5-24-rel","mutt-1-5-22-rel","mutt-1-5-21-rel","mutt-1-5-20-rel","mutt-1-5-19-rel","mutt-1-5-18-rel","mutt-1-5-17-rel","mutt-1-5-16-rel","mutt-1-5-15-rel","mutt-1-5-6-rel","mutt-1-5-5-1-rel","mutt-1-5-5-rel","post-type-punning-patch","pre-type-punning-patch","mutt-1-5-4-rel","mutt-1-5-3-rel","mutt-1-5-2-rel","mutt-1-5-1-rel","mutt-1-3-27-rel","mutt-1-3-26-rel","mutt-1-3-25-rel","mutt-1-3-24-rel","mutt-1-3-23-2-rel","mutt-1-3-23-1-rel","mutt-1-3-23-rel","mutt-1-3-22-1-rel","mutt-1-3-22-rel","mutt-1-3-21-rel","mutt-1-3-20-rel","mutt-1-3-19-rel","mutt-1-3-18-rel","mutt-1-3-17-rel","mutt-1-3-16-rel","mutt-1-3-15-rel","mutt-1-3-14-rel","mutt-1-3-13-rel","mutt-1-3-12-rel","mutt-1-3-11-rel","mutt-1-3-10-rel","mutt-1-3-9-rel","mutt-1-3-8-rel","mutt-1-3-7-rel","mutt-1-3-6-rel","mutt-1-3-5-rel","mutt-1-3-4-rel","mutt-1-3-3-rel","mutt-1-3-2-rel","mutt-1-3-1-rel","mutt-1-3-rel","mutt-1-1-14-rel","mutt-1-1-13-rel","mutt-1-1-12-rel","mutt-1-1-11-rel","mutt-1-1-10-rel","mutt-1-1-9-rel","mutt-1-1-8-rel","mutt-1-1-7-rel","mutt-1-1-6-rel","mutt-1-1-5-rel","mutt-1-1-4-rel","mutt-1-1-3-rel","mutt-1-1-2-rel","mutt-1-1-1-2-rel","mutt-1-1-1-1-rel","mutt-1-1-1-rel","mutt-1-1-rel","mutt-0-96-8-rel","mutt-0-96-7-rel","mutt-0-96-6-rel","mutt-0-96-5-rel","mutt-0-96-4-rel","mutt-0-96-3-rel","mutt-0-96-2-slightly-post-release","mutt-0-96-1-rel","mutt-0-96-rel","mutt-0-95-rel","mutt-0-94-18-rel","mutt-0-94-17i-rel","mutt-0-94-16i-rel","mutt-0-94-15-rel","mutt-0-94-14-rel","mutt-0-94-13-rel","mutt-0-94-10i-rel","mutt-0-94-9i-p1","mutt-0-94-9i-rel","mutt-0-94-8i-rel","mutt-0-94-7i-rel","mutt-0-94-6i-rel","mutt-0-94-5i-rel","mutt-0-93-unstable","mutt-0-92-11i","mutt-0-92-10i","mutt-0-92-9i"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43861.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}