CVE-2026-101017Medium· 6.5▾ TwilightPoC availableA 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.…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 35.8 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Exploit / PoC code exists
0.3%
0.3% → 0.3%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-101016Medium· 6.5A vulnerability has been found in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101280High· 7.3A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101281High· 7.3A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101279Medium· 6.5A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101278Medium· 4.3A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101014High· 7.3A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2