CVE-2019-9923
HIGHGNU Tar < 1.32 - Denial of Service via Malformed Extended Header Parsing
Title source: llmDescription
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.
References (6)
Core 6
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241
Mailing List, Patch, Vendor Advisory x_refsource_misc
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120
Permissions Required, Third Party Advisory x_refsource_misc
http://savannah.gnu.org/bugs/?55369
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Scores
CVSS v3
7.5
EPSS
0.0040
EPSS Percentile
60.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (2)
gnu/tar
< 1.32
opensuse/leap
15.0
Published
Mar 22, 2019
Tracked Since
Feb 18, 2026