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Vulnerability record · CVE-2012-1593 · published 11 April 2012

CVE-2012-1593: Wireshark vulnerability

Wireshark · Wireshark

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.

3.3 CVSS 2.0 Low EPSS 11% · top 4.2%
3.3CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
http://secunia.com/advisories/48548
http://secunia.com/advisories/48986
http://www.exploit-db.com/exploits/18758
http://www.openwall.com/lists/oss-security/2012/03/28/13
http://www.securitytracker.com/id?1026874
http://www.wireshark.org/security/wnpa-sec-2012-04.html Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
https://exchange.xforce.ibmcloud.com/vulnerabilities/74361
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991
http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
http://secunia.com/advisories/48548
http://secunia.com/advisories/48986
http://www.exploit-db.com/exploits/18758
http://www.openwall.com/lists/oss-security/2012/03/28/13
http://www.securitytracker.com/id?1026874
http://www.wireshark.org/security/wnpa-sec-2012-04.html Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
https://exchange.xforce.ibmcloud.com/vulnerabilities/74361
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-1593), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.