LowFix available
mutt — security advisory
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.
- Products
- mutt
- Affected versions
- 2.2.12-0.1, 2.2.12-0.1~deb12u1, 2.2.13-1, 2.2.13-1+deb13u1, 2.2.9-1, 2.2.9-1+deb12u1, 2.3.2-1, 2.4.0-1, 2.4.1-1
- Fixed versions
- 2.2.13-1+deb13u2
- CVEs
- CVE-2026-107570
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 19:15 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2026-107570
mutt
Fixed versions: Not specified
mutt
Fixed versions: 2.2.13-1+deb13u2
mutt
Fixed versions: Not specified
Complete source record
{
"id": "169d6f5f553cc92184dd369deefa74ba659b9aabadf7fda2831250670d43448a",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-107570",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-107570",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2026-107570",
"products": [
{
"name": {
"value": "mutt",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.2.12-0.1",
"evidence": "/affected/0/versions"
},
{
"value": "2.2.12-0.1~deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "2.2.13-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.2.9-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.2.9-1+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "2.3.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.4.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.4.1-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mutt",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.13-1+deb13u2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "2.2.13-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.13-1+deb13u1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mutt",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.2.13-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.3.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.4.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.4.1-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "low",
"structured": {
"id": "DEBIAN-CVE-2026-107570",
"aliases": [
"DEBIAN-CVE-2026-107570"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mutt",
"purl": "pkg:deb/debian/mutt?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.2.12-0.1",
"2.2.12-0.1~deb12u1",
"2.2.13-1",
"2.2.9-1",
"2.2.9-1+deb12u1",
"2.3.2-1",
"2.4.0-1",
"2.4.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-107570.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.13-1+deb13u2"
}
]
}
],
"package": {
"name": "mutt",
"purl": "pkg:deb/debian/mutt?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"2.2.13-1",
"2.2.13-1+deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-107570.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mutt",
"purl": "pkg:deb/debian/mutt?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"2.2.13-1",
"2.3.2-1",
"2.4.0-1",
"2.4.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-107570.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T22:00:05.940593738Z",
"provider": "osv",
"upstream": [
"CVE-2026-107570"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-107570"
]
},
"related_cves": [
{
"value": "CVE-2026-107570",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 336148,
"published_at": "2026-10-08T12:17:14.717+00:00"
}