Description
A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_sp2_find_mailfrom_domain of the file libopendmarc/opendmarc_spf.c of the component SPF Macro Handler. This manipulation causes improper authentication. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c48a74c758677fc5272a73eff15ffdbf8afda1a6. Applying a patch is the recommended action to fix this issue.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Trusted Domain Project OpenDMARC
1.4.0affected1.4.1affected1.4.2affected
References
- https://vuldb.com/vuln/411038 ↗
- https://vuldb.com/vuln/411038/cti ↗
- https://vuldb.com/cve/CVE-2026-101281 ↗
- https://vuldb.com/submit/918284 ↗
- https://github.com/trusteddomainproject/OpenDMARC/issues/262 ↗
- https://github.com/trusteddomainproject/OpenDMARC/pull/328 ↗
- https://xuyongzhe-vt.github.io/share/opendmarc-spf-postmaster-macro.html ↗
- https://github.com/trusteddomainproject/OpenDMARC/commit/c48a74c758677fc5272a73eff15ffdbf8afda1a6 ↗