{"id":"CVE-2026-107570","summary":"Use of Out-of-range Pointer Offset in mutt","details":"heap OOB write in convert_file_from_to() via a crafted Content-Type header allows attacker to OOB write when email is used as a template.","modified":"2026-10-10T02:47:28.837058519Z","published":"2026-10-08T11:33:26.210Z","database_specific":{"cwe_ids":["CWE-823"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107570.json","cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://gitlab.com/muttmua/mutt/-/work_items/533"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107570.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107570"},{"type":"PACKAGE","url":"https://gitlab.com/muttmua/mutt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/muttmua/mutt","events":[{"introduced":"0"},{"last_affected":"ce069defad9d6ac7c36fff1489274756765b25e2"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.4.2"}],"source":"AFFECTED_FIELD"}}],"versions":["mutt-2-4-2-rel","mutt-2-4-1-rel","mutt-2-4-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/cve-osv-conversion/osv-output/CVE-2026-107570.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"}]}