Trusted Domain Project OpenDMARC DMARC Record opendmarc_util.c opendmarc_util_cleanup off-by-one
A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_util_cleanup in the library libopendmarc/opendmarc_util.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named b3b1da9264bc80324094a27c71e7369bdedc62ae. To fix this issue, it is recommended to deploy a patch.
CVE-2026-101014
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-2026-101014
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 Record 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-2026-101014
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #3030 · Revision 1
- Added to Heist Feed
- Publisher date