DescriptionThe from_format function in ssmtp.c in ssmtp 2.61 and 2.62, in certain configurations, uses uninitialized memory for the From: field of an e-mail message, which might allow remote attackers to obtain sensitive information (memory contents) in opportunistic circumstances by reading a message.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow
Debian Bugs498366

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ssmtp (PTS)stretch2.64-8fixed
bookworm, sid, bullseye2.64-10fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[etch] - ssmtp <no-dsa> (Minor issue, only affects rare corner cases)

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