Unrated severityNVD Advisory· Published Jun 6, 2011· Updated Jun 16, 2026
CVE-2011-2174
CVE-2011-2174
Description
Double free vulnerability in the tvb_uncompress function in epan/tvbuff.c in Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 allows remote attackers to cause a denial of service (application crash) via a packet with malformed data that uses zlib compression.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
27cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:*+ 25 more
- cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- (no CPE)range: <1.2.17, <1.4.7
Patches
Vulnerability mechanics
References
19- anonsvn.wireshark.org/viewvcnvdPatch
- www.wireshark.org/security/wnpa-sec-2011-07.htmlnvdPatchVendor Advisory
- www.wireshark.org/security/wnpa-sec-2011-08.htmlnvdPatchVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdPatch
- bugs.wireshark.org/bugzilla/show_bug.cginvdExploitPatch
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061290.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061437.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061477.htmlnvd
- openwall.com/lists/oss-security/2011/05/31/20nvd
- openwall.com/lists/oss-security/2011/06/01/1nvd
- openwall.com/lists/oss-security/2011/06/01/11nvd
- secunia.com/advisories/44449nvd
- secunia.com/advisories/44958nvd
- secunia.com/advisories/45149nvd
- secunia.com/advisories/48947nvd
- www.debian.org/security/2011/dsa-2274nvd
- www.securityfocus.com/bid/48066nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/67793nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14777nvd
News mentions
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