CVE-2022-48303

Name	CVE-2022-48303
Description	GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
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
tar (PTS)	buster	1.30+dfsg-6	vulnerable
	bookworm, bullseye	1.34+dfsg-1	vulnerable
	sid	1.34+dfsg-1.1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tar	source	(unstable)	(unfixed)	unimportant

Crash in CLI tool, no security impact
https://savannah.gnu.org/bugs/?62387
https://savannah.gnu.org/patch/?10307