DEBIAN-CVE-2026-101016
A vulnerability has been found in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_policy_parse_dmarc in the library libopendmarc/opendmarc_policy.c. The manipulation of the argument fo/rf/ri/pct/sp/adkim/aspf/rua/ruf leads to handling of exceptional conditions. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
DEBIAN-CVE-2026-101016
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-101016
opendmarc
Source reference: /affected/0/package/name
- Affected versions
- 1.4.2-2
Source reference:
/affected/0/versions1.4.2-3Source reference:
/affected/0/versions1.4.2-4Source reference:
/affected/0/versions1.4.2-4.1Source reference:
/affected/0/versions1.4.2-4.1~exp1Source reference:
/affected/0/versions1.4.2-5Source reference:
/affected/0/versions1.4.2-5.1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opendmarc
Source reference: /affected/1/package/name
- Affected versions
- 1.4.2-5
Source reference:
/affected/1/versions1.4.2-5.1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
opendmarc
Source reference: /affected/2/package/name
- Affected versions
- 1.4.2-5
Source reference:
/affected/2/versions1.4.2-5.1Source reference:
/affected/2/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.4.2-2",
"1.4.2-3",
"1.4.2-4",
"1.4.2-4.1",
"1.4.2-4.1~exp1",
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101016.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101016.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendmarc",
"purl": "pkg:deb/debian/opendmarc?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.4.2-5",
"1.4.2-5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-101016.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #25951 · Revision 1
- Added to Heist Feed
- Publisher date