CVE-2018-25021

Name	CVE-2018-25021
Description	The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libtoxcore (PTS)	bullseye	0.2.12-1	fixed
	bookworm	0.2.18-1	fixed
	forky, sid, trixie	0.2.20-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libtoxcore	source	(unstable)	0.2.8-1

Notes

https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/
https://github.com/TokTok/c-toxcore/issues/1214
https://github.com/TokTok/c-toxcore/pull/1216