CVE-2003-0540

Name	CVE-2003-0540
Description	The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via (1) a malformed envelope address to a local host that would generate a bounce and contains the ".!" string in the MAIL FROM or Errors-To headers, which causes nqmgr to lock up, or (2) via a valid MAIL FROM with a RCPT TO containing a ".!" string, which causes an instance of the SMTP listener to lock up.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-363

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
postfix (PTS)	jessie, jessie (lts)	2.11.3-1+deb8u3	fixed
	stretch (lts), stretch	3.1.15-0+deb9u2	fixed
	buster (security), buster, buster (lts)	3.4.23-0+deb10u2	fixed
	bullseye	3.5.25-0+deb11u1	fixed
	bookworm	3.7.11-0+deb12u1	fixed
	sid, trixie	3.9.0-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
postfix	source	woody	1.1.11-0.woody3		DSA-363
postfix	source	(unstable)	1.1.12