[ CVE-2026-107570 · Published 8 Oct 2026 ]

Vulnerability in mutt

CVSS 2.5 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund11 Oct 2026WID-SEC-2026-3866

mutt: Vulnerability allows data manipulation Translated from German
Risk lowCVE-2026-107570

[ References ]References

gitlab.com/muttmua/mutt/-/work_items/533
www.openwall.com/lists/oss-security/2026/10/09/21

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

mutt: Vulnerability allows data manipulation Translated from German

[ References ]References