CVE-2020-15572

Name	CVE-2020-15572
Description	Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tor (PTS)	buster	0.3.5.16-1	vulnerable
	buster (security)	0.3.5.16-1+deb10u1	vulnerable
	bullseye	0.4.5.10-1~deb11u1	fixed
	bullseye (security)	0.4.5.16-1	fixed
	bookworm, sid	0.4.7.13-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tor	source	(unstable)	0.4.3.6-1	unimportant

Tor in Debian doesn't use NSS
https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes