A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1917565
- https://bugzilla.redhat.com/show_bug.cgi?id=1917565
- https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777
- https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777
- https://savannah.gnu.org/bugs/?59897
- https://savannah.gnu.org/bugs/?59897
- https://security.gentoo.org/glsa/202105-29
- https://security.gentoo.org/glsa/202105-29