DescriptionBuffer overflow in the policy_summarize function in or/policies.c in Tor before allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.
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
tor (PTS)stretch0.2.9.16-1fixed
stretch (security)
buster, buster (security)
bullseye (security), bullseye0.4.5.10-1~deb11u1fixed
bookworm, sid0.4.6.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[squeeze] - tor <no-dsa> (Only affects the central Tor directory servers)
[lenny] - tor <no-dsa> (Only affects the central Tor directory servers)

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