CVE-2012-1593
Published Apr 11, 2012 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 20%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 18758 ↗
- 48986 ↗
- www.wireshark.org ↗
- [oss-security] 20120328 Re: CVE Request: Multiple wireshark security flaws resolved in 1.4.12 and 1.6.6 ↗
- bugs.wireshark.org ↗
- openSUSE-SU-2012:0558 ↗
- FEDORA-2012-5243 ↗
- 48548 ↗
- FEDORA-2012-5256 ↗
- oval:org.mitre.oval:def:14991 ↗
- 1026874 ↗
- anonsvn.wireshark.org ↗
Record history
Published Apr 11, 2012 · Last refreshed Oct 23, 2026