CVE catalog

CVE-2026-107570

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.

[CVE catalog]

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: Oct 8, 2026, 11:33:26 AM UTC
Updated: Oct 8, 2026, 12:17:14 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.15% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mutt	sid	`2.4.1-1.1`	fixed
Debian	mutt	forky	`2.4.1-1`	vulnerable
Debian	mutt	trixie	`2.2.13-1+deb13u1`	vulnerable
Debian	mutt	trixie-security	`2.2.13-1+deb13u2`	fixed
Debian	mutt	bookworm	`2.2.12-0.1~deb12u1`	vulnerable
Debian	mutt	bookworm-security	`2.2.9-1+deb12u1`	vulnerable
Opensuse	mutt	tumbleweed	`2.4.2-2.1`	fixed
Suse	mutt	linux enterprise high performance computing 15 sp4-espos	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise high performance computing 15 sp4-ltss	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise high performance computing 15 sp5-espos	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise high performance computing 15 sp5-ltss	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise server 15 sp4-ltss	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise server 15 sp5-ltss	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise server for sap applications 15 sp4	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise server for sap applications 15 sp5	`1.10.1-150000.3.32.1`	fixed
Suse	mutt	linux enterprise server 16.0	`2.2.16-160000.3.1`	fixed
Suse	mutt	linux enterprise server for sap applications 16.0	`2.2.16-160000.3.1`	fixed
Opensuse	mutt	leap 16.0	`2.2.16-160000.3.1`	fixed
Suse	mutt	linux enterprise module for basesystem 15 sp7	`2.2.14-150600.3.9.1`	fixed
Suse	mutt	linux enterprise server 15 sp6-ltss	`2.2.14-150600.3.9.1`	fixed
Suse	mutt	linux enterprise server for sap applications 15 sp6	`2.2.14-150600.3.9.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mutt	source	sid	`2.4.1-1.1`	not yet assigned	Not reported	[1150407]
Debian	mutt	source	forky	`(unfixed)`	not yet assigned	Not reported	[1150407]
Debian	mutt	source	trixie	`2.2.13-1+deb13u2`	not yet assigned	Not reported	[1150407]
Debian	mutt	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1150407]
Opensuse	mutt	rpm	tumbleweed	`2.4.2-2.1`	Not reported	OPENSUSE-SU-2026:12094-1	Not reported
Suse	mutt	rpm	linux enterprise high performance computing 15 sp4-espos	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise high performance computing 15 sp4-ltss	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise high performance computing 15 sp5-espos	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise high performance computing 15 sp5-ltss	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise server 15 sp4-ltss	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise server 15 sp5-ltss	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise server for sap applications 15 sp4	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise server for sap applications 15 sp5	`1.10.1-150000.3.32.1`	Not reported	SUSE-SU-2026:4818-1	Not reported
Suse	mutt	rpm	linux enterprise server 16.0	`2.2.16-160000.3.1`	Not reported	SUSE-SU-2026:24242-1	Not reported
Suse	mutt	rpm	linux enterprise server for sap applications 16.0	`2.2.16-160000.3.1`	Not reported	SUSE-SU-2026:24242-1	Not reported
Opensuse	mutt	rpm	leap 16.0	`2.2.16-160000.3.1`	Not reported	OPENSUSE-SU-2026:22099-1	Not reported
Suse	mutt	rpm	linux enterprise module for basesystem 15 sp7	`2.2.14-150600.3.9.1`	Not reported	SUSE-SU-2026:4857-1	Not reported
Suse	mutt	rpm	linux enterprise server 15 sp6-ltss	`2.2.14-150600.3.9.1`	Not reported	SUSE-SU-2026:4857-1	Not reported
Suse	mutt	rpm	linux enterprise server for sap applications 15 sp6	`2.2.14-150600.3.9.1`	Not reported	SUSE-SU-2026:4857-1	Not reported

[Debian bug #1150407]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[mutt]Affected
Details (4)
- 2.2.12-0.1~deb12u1 · amd64 · bookworm
  Affected
  nvd · mutt · debian · bookworm
- 2.2.12-0.1~deb12u1 · arm64 · bookworm
  Affected
  nvd · mutt · debian · bookworm
- 2.2.9-1+deb12u1 · amd64 · bookworm-security
  Affected
  nvd · mutt · debian · bookworm
- 2.2.9-1+deb12u1 · arm64 · bookworm-security
  Affected
  nvd · mutt · debian · bookworm

[openSUSE Tumbleweed]

[mutt]Affected
Source package: [mutt]
Details (1)
- 2.3.2-1.3 · x86_64 · tumbleweed
  Affected · Fixed: 2.4.2-2.1
  nvd · mutt · opensuse · tumbleweed
[mutt-doc]Unknown
Source package: [mutt]
Details (1)
- 2.3.2-1.3 · noarch · tumbleweed
  Unknown · Fixed: 2.4.2-2.1
  Version impact unknown
  nvd · mutt · opensuse · tumbleweed
[mutt-lang]Unknown
Source package: [mutt]
Details (1)
- 2.3.2-1.3 · noarch · tumbleweed
  Unknown · Fixed: 2.4.2-2.1
  Version impact unknown
  nvd · mutt · opensuse · tumbleweed

Observed: Oct 27, 2026, 4:45:57 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]