CVE-2026-101017
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Trusted Domain Project | OpenDMARC | 1.4.0 | affected |
| Trusted Domain Project | OpenDMARC | 1.4.1 | affected |
| Trusted Domain Project | OpenDMARC | 1.4.2 | affected |
Weaknesses
- CWE-755: Handling of Exceptional Conditions
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://vuldb.com/vuln/410887
- https://vuldb.com/vuln/410887/cti
- https://vuldb.com/cve/CVE-2026-101017
- https://vuldb.com/submit/918247
- https://xuyongzhe-vt.github.io/share/opendmarc-subdomain-walk-abort.html
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