CVE-2026-107570
Use of Out-of-range Pointer Offset in mutt
CVSS Score
2.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-823 |
| Vendor | mutt |
| Product | mutt |
| Published | Oct 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
mutt / mutt
0 ≤ 2.4.2
Credits
Calif.io, in collaboration with Anthropic