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CVE-2019-9923

Published: Mar 22, 2019Updated: Aug 6, 2025 Sources: CVE List NVD BDU csafCWE-476
7.5HIGH
NVD MITRE
EPSS Score
3.0%
Top 14.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

gnu
oss-project·USaka g. nu
tar
OSS Libraries
opensuse
oss-project·DE
leapOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
The GNU Project
oss-project·USaka gnu
GNU TarOn-prem
Operating Systems / unix-bsd
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-9923?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241
bugs.launchpad.net
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120
git.savannah.gnu.org
http://savannah.gnu.org/bugs/?55369
savannah.gnu.org
and 15 more references View all →
News mentions
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