CVE-2019-9923

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2019-9923
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.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Mailing List Third Party Advisory
http://savannah.gnu.org/bugs/?55369 Permissions Required Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking Patch Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 Issue Tracking Patch Third Party Advisory
http://savannah.gnu.org/bugs/?55369 Permissions Required Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Mailing List Third Party Advisory
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 Mailing List Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
History

06 Aug 2025, 22:15

Type Values Removed Values Added
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html - Mailing List, Third Party Advisory
References (MISC) http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 - Mailing List, Patch, Vendor Advisory () http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120 - Mailing List, Patch, Vendor Advisory
References (MISC) http://savannah.gnu.org/bugs/?55369 - Permissions Required, Third Party Advisory () http://savannah.gnu.org/bugs/?55369 - Permissions Required, Third Party Advisory
References (MISC) https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 - Issue Tracking, Patch, Third Party Advisory () https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241 - Issue Tracking, Patch, Third Party Advisory

07 Nov 2023, 03:13

Type Values Removed Values Added
References
  • {'url': 'https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E', 'name': '[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8', 'tags': [], 'refsource': 'MLIST'}
  • {'url': 'https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E', 'name': '[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8', 'tags': [], 'refsource': 'MLIST'}
  • () https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E -
  • () https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E -
Information

Published : 2019-03-22 08:29

Updated : 2025-08-06 22:15

NVD link : CVE-2019-9923

Mitre link : CVE-2019-9923

JSON object : View

Products Affected

opensuse

  • leap

gnu

  • tar
CWE
CWE-476

NULL Pointer Dereference