DescriptionExim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exim4 (PTS)buster4.92-8+deb10u6fixed
buster (security)4.92-8+deb10u9fixed
bullseye (security), bullseye4.94.2-7+deb11u2fixed
bookworm, bookworm (security)4.96-15+deb12u4fixed
sid, trixie4.97-8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exim4sourcestretch(not affected)


[stretch] - exim4 <not-affected> (Vulnerable code introduced later)
Introduced by: (exim-4_90_RC1)
Debian Exim is built with GnuTLS, not OpenSSL.

Search for package or bug name: Reporting problems