CVE-2012-1593

3.3 LOW 11% exploit odds Fix listed Denial of service

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 11.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-04-11 10:39 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 11.2% in the next 30 days (EPSS).
Severity: 3.3 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-04-11 10:39 UTC
Last modified: 2026-06-16 23:39 UTC
Exploit probability: 11.2% · EPSS, next 30 days
Record status: Modified

Affected

Wireshark 1.4.0
Wireshark 1.4.1
Wireshark 1.4.2
Wireshark 1.4.3
Wireshark 1.4.4
Wireshark 1.4.5
Wireshark 1.4.6
Wireshark 1.4.7

Attack profile CVSS 2.0 · 3.3

Attack vector: Adjacent network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

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

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record