medium · CVSS v3 5.3 · CVSS v4 6.9 · EPSS 0.00372
CVE-2026-100890
A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function op…
Description
A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_spf_ipv6_explode in the library libopendmarc/opendmarc_spf.c of the component SPF Parser. This manipulation of the argument cp causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
- Severity
- medium
- CVSS v2
- 5
- CVSS v3
- 5.3
- CVSS v4
- 6.9
- EPSS
- 0.00372