CVE-2019-11922

Name	CVE-2019-11922
Description	A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
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
libzstd (PTS)	buster, buster (security)	1.3.8+dfsg-3+deb10u2	fixed
	bullseye	1.4.8+dfsg-2.1	fixed
	bookworm	1.5.4+dfsg2-3	fixed
	sid	1.5.4+dfsg2-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libzstd	source	stretch	(not affected)
libzstd	source	(unstable)	1.3.8+dfsg-2

[stretch] - libzstd <not-affected> (Vulnerable code not present)
https://github.com/facebook/zstd/commit/3e5cdf1b6a85843e991d7d10f6a2567c15580da0