CVE-2026-101017

MEDIUM 6.5

Trusted Domain Project OpenDMARC opendmarc_policy.c strcasecmp exceptional condition

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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	CWE-755
Vendor	trusted domain project
Product	opendmarc
Published	Sep 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Trusted Domain Project / OpenDMARC

1.4.0 1.4.1 1.4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 yongzhe_xu (VulDB User) VulDB CNA Team