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CVE-2026-101016 Details

Description

A vulnerability has been found in Trusted Domain Project OpenDMARC up to 1.4.2. This affects the function opendmarc_policy_parse_dmarc in the library libopendmarc/opendmarc_policy.c. The manipulation of the argument fo/rf/ri/pct/sp/adkim/aspf/rua/ruf leads to handling of exceptional conditions. Remote exploitation of the attack is possible. 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:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://vuldb.com/cve/CVE-2026-101016	[email protected]
https://vuldb.com/submit/918242	[email protected]
https://vuldb.com/vuln/410886	[email protected]
https://vuldb.com/vuln/410886/cti	[email protected]
https://xuyongzhe-vt.github.io/share/opendmarc-bad-tag-drops-policy.html	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-755	Improper Handling of Exceptional Conditions	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 28, 2026	CVE Modified	CISA-ADP
Sep 28, 2026	New CVE Received	[email protected]