Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow
A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2026-101279
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: cve:CVE-2026-101279
OpenDMARC
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- 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.
[
{
"cpes": [
"cpe:2.3:a:trusted_domain_project:opendmarc:*:*:*:*:*:*:*:*"
],
"vendor": "Trusted Domain Project",
"modules": [
"DMARC Parser"
],
"product": "OpenDMARC",
"versions": [
{
"status": "affected",
"version": "1.4.0"
},
{
"status": "affected",
"version": "1.4.1"
},
{
"status": "affected",
"version": "1.4.2"
}
]
}
]- Related CVEs
- CVE-2026-101279
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #3428 · Revision 1
- Added to Heist Feed
- Publisher date