CVE-2012-1596

CVE-2012-1596 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Wireshark
• Published: 2012-04-11
• Last modified: 2026-06-16

Description

The mp2t_process_fragmented_payload function in epan/dissectors/packet-mp2t.c in the MP2T 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 (application crash) via a packet containing an invalid pointer value that triggers an incorrect memory-allocation attempt.

Frequently asked questions

What is CVE-2012-1596?

The mp2t_process_fragmented_payload function in epan/dissectors/packet-mp2t.c in the MP2T 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 (application crash) via a packet containing an invalid pointer value that triggers an incorrect memory-allocation attempt.

How severe is CVE-2012-1596?

CVE-2012-1596 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-1596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1596?

CVE-2012-1596 primarily affects Wireshark. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1596 published?

CVE-2012-1596 was published on 2012-04-11 and last updated on 2026-06-16.

References

• http://anonsvn.wireshark.org/viewvc?view=revision&revision=41001
• 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.openwall.com/lists/oss-security/2012/03/28/13
• http://www.securityfocus.com/bid/52736
• http://www.securitytracker.com/id?1026874
• http://www.wireshark.org/security/wnpa-sec-2012-07.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6833
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74363
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15194

Affected products (18)

• cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:wireshark:wireshark:1.6.5:*:*:*:*:*:*:*

More vulnerabilities in Wireshark

• CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
• CVE-2010-2995 — Critical (CVSS 10.0): The SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9…
• CVE-2010-2994 — Critical (CVSS 10.0): Stack-based buffer overflow in the ASN.1 BER dissector in Wireshark 0.10.13 through 1.0.14 and 1.2.0 through 1.2.9 has…
• CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
• CVE-2009-1210 — Critical (CVSS 10.0): Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote…
• CVE-2008-3146 — Critical (CVSS 10.0): Multiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to…

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• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
• CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

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