CVE-2026-107570 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mutt	Mutt

No data.

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2026/10/09/21
https://gitlab.com/muttmua/mutt/-/work_items/533
https://nvd.nist.gov/vuln/detail/CVE-2026-107570
https://www.cve.org/CVERecord?id=CVE-2026-107570

History

Sat, 10 Oct 2026 00:30:00 +0000

Type	Values Removed	Values Added
References		http://www.openwall.com/lists/oss-security/2026/10/09/21

Fri, 09 Oct 2026 00:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-787
References		https://nvd.nist.gov/vuln/detail/CVE-2026-107570 https://www.cve.org/CVERecord?id=CVE-2026-107570
Metrics	threat_severity `None`	threat_severity `Low`

Thu, 08 Oct 2026 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 08 Oct 2026 13:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mutt Mutt mutt
Vendors & Products		Mutt Mutt mutt

Thu, 08 Oct 2026 11:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Use of Out-of-range Pointer Offset in mutt
Weaknesses		CWE-823
References		https://gitlab.com/muttmua/mutt/-/work_items/533
Metrics		cvssV3_1 `{'score': 2.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N'}`

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2026-10-08T11:33:26.210Z

Updated: 2026-10-09T23:07:33.453Z

Reserved: 2026-10-08T10:51:15.640Z

Link: CVE-2026-107570

Vulnrichment

Updated: 2026-10-09T23:07:33.453Z

NVD

Status : Deferred

Published: 2026-10-08T12:17:14.717

Modified: 2026-10-10T00:17:03.540

Link: CVE-2026-107570

Redhat

Severity : Low

Publid Date: 2026-10-08T11:33:26Z

Links: CVE-2026-107570 - Bugzilla

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