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CVE-2019-9923 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2019-9923

CVE-2019-9923

HIGH7.5

pax_decode_header in sparse

Published Mar 22, 2019

Modified 7 months ago

Details

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

WEB

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

ADVISORY

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

WEB

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

WEB

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

WEB

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

WEB

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2019-9923

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedMar 22, 2019

ModifiedAug 6, 2025