CVE-2019-9923

NameCVE-2019-9923
Descriptionpax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs925286

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tar (PTS)jessie1.27.1-2+deb8u1vulnerable
jessie (security)1.27.1-2+deb8u2vulnerable
stretch1.29b-1.1vulnerable
bullseye, sid, buster1.30+dfsg-6vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tarsource(unstable)(unfixed)unimportant925286

Notes

http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120
http://savannah.gnu.org/bugs/?55369 (private)
https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241
Crash in CLI tool, no security impact

Search for package or bug name: Reporting problems