High severity7.3NVD Advisory· Published Sep 28, 2026
CVE-2026-101014
CVE-2026-101014
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=1.4.2
Patches
Vulnerability mechanics
References
8- github.com/trusteddomainproject/OpenDMARC/commit/b3b1da9264bc80324094a27c71e7369bdedc62aenvd
- github.com/trusteddomainproject/OpenDMARC/pull/188nvd
- github.com/trusteddomainproject/OpenDMARC/pull/344nvd
- vuldb.com/cve/CVE-2026-101014nvd
- vuldb.com/submit/917100nvd
- vuldb.com/vuln/410884nvd
- vuldb.com/vuln/410884/ctinvd
- weitongli.com/share/opendmarc-cleanup-off-by-one.htmlnvd
News mentions
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