CVE-2003-0540

NameCVE-2003-0540
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-363

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
postfix (PTS)buster3.4.23-0+deb10u1fixed
buster (security)3.4.23-0+deb10u2fixed
bullseye3.5.24-0+deb11u1fixed
bookworm3.7.10-0+deb12u1fixed
sid, trixie3.8.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
postfixsourcewoody1.1.11-0.woody3DSA-363
postfixsource(unstable)1.1.12

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