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-2019-12420 not yet assigned priority: Debian including 1 source packages (spamassassin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.