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-2006-2659 not yet assigned priority: Debian including 1 source packages (courier), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.