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CVE-2026-100891 Details

Description

A vulnerability has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this issue is the function opendmarc_policy_query_dmarc in the library libopendmarc/opendmarc_policy.c of the component Internationalized Domain Name Handler. Such manipulation leads to encoding error. It is possible to launch the attack remotely. 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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://vuldb.com/cve/CVE-2026-100891	[email protected]
https://vuldb.com/submit/917215	[email protected]
https://vuldb.com/vuln/410841	[email protected]
https://vuldb.com/vuln/410841/cti	[email protected]
https://weitongli.com/share/opendmarc-ulabel-not-converted.html	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-172	Encoding Error	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes