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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs925286

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tar (PTS)bullseye1.34+dfsg-1+deb11u1fixed
bookworm1.34+dfsg-1.2+deb12u1fixed
sid, trixie1.35+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tarsource(unstable)1.32+dfsg-1unimportant925286

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

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