View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2021-34555 not yet assigned priority: Debian including 1 source packages (opendmarc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.