DescriptionIn imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.
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
Debian Bugs966630

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
claws-mail (PTS)stretch3.14.1-3vulnerable
bullseye, sid3.17.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - claws-mail <no-dsa> (Minor issue)
[stretch] - claws-mail <no-dsa> (Minor issue)

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