CVE-2026-101017
mediumA vulnerability was found in Trusted Domain Project OpenDMARC up to 1.4.2.
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.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-28 09:17
Modified: 2026-09-28 15:15
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://vuldb.com/cve/CVE-2026-101017 cna@vuldb.com
- https://vuldb.com/submit/918247 cna@vuldb.com
- https://vuldb.com/vuln/410887 cna@vuldb.com
- https://vuldb.com/vuln/410887/cti cna@vuldb.com
- https://xuyongzhe-vt.github.io/share/opendmarc-subdomain-walk-abort.html cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗