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.
Evidence and details
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
- Related CVEs
- CVE-2026-101014
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics