CVE-2026-101017

A vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2. This vulnerability affects the function strcasecmp in the library libopendmarc/opendmarc_policy.c. The manipulation results in handling of exceptional conditions. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-755

• https://vuldb.com/cve/CVE-2026-101017
• https://vuldb.com/submit/918247
• https://vuldb.com/vuln/410887
• https://vuldb.com/vuln/410887/cti
• https://xuyongzhe-vt.github.io/share/opendmarc-subdomain-walk-abort.html

Published

Sep 28, 2026

Last Modified

Sep 28, 2026

Status

Awaiting Analysis

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