DescriptionEnigmail 1.7.x before 1.7.2 sends emails in plaintext when encryption is enabled and only BCC recipients are specified, which allows remote attackers to obtain sensitive information by sniffing the network.
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 severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
enigmail (PTS)stretch2:2.0.8-5~deb9u1fixed
stretch (security)2:1.9.9-1~deb9u1fixed
buster, buster (security)2:2.1.3+ds1-4~deb10u2fixed
bullseye, sid2:2.1.6+ds1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
enigmailsourcesqueeze(not affected)
enigmailsourcewheezy(not affected)


[wheezy] - enigmail <not-affected> (Introduced in 1.7)
[squeeze] - enigmail <not-affected> (Introduced in 1.7)
fixed in 1.7.1 and 1.8.0 upstream (not yet released)

Search for package or bug name: Reporting problems