CVE-2019-9923

Published: Mar 22, 2019Modified: Aug 6, 2025

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

pax_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.

Affected (2)

Products: Gnu: Tar · Opensuse: Leap

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Tar	Before 1.32

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.0

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (12)

http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://savannah.gnu.org/bugs/?55369

Source: cve@mitre.org

Permissions RequiredThird Party Advisory

https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120