CVE-2012-1593

epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6...

3.3 LowPublic exploitFix available

epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.

Exploit likelihood

11.2%Down 2.2 points since Feb 4, 2022

What each source reports

NVD Score used 3.3

Record: CVE-2012-1593
CVSS 2.0: 3.3 LowAV:A/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-1593
Updated: 2026-11-02

EUVDEUVD-2012-1607 No score

Record: EUVD-2012-1607
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7g8h-gv59-45hj No score

epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6...

Record: GHSA-7g8h-gv59-45hj
Updated: 2026-11-02

OSV No score

Record: CVE-2012-1593
Updated: 2026-11-02

OSVDEBIAN-CVE-2012-1593 No score

Record: DEBIAN-CVE-2012-1593
Updated: 2026-11-02

Affected products

wireshark

Affected packages

Affected packages
Package	Affected	Fixed
`wireshark` Debian:12	before 1.6.6-1	1.6.6-1
`wireshark` Debian:13	before 1.6.6-1	1.6.6-1
`wireshark` Debian:14	before 1.6.6-1	1.6.6-1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Wireshark - 'call_dissector()' Null Pointer Dereference Denial of Service	2012-04-19

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-1593 is a low vulnerability (CVSS 3.3) in Wireshark, published April 11, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.2%, the 95th percentile. Fixed in wireshark 1.6.6-1.

References

Show 10 moreShow less