CVE-2011-2174
MEDIUM · CVSS 4.3EPSS 2.0%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 2.0% (81th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2166)
- Published
- June 6, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2166 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
- wireshark / wireshark
References
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=37081(Patch)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061290.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061437.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061477.html
- http://openwall.com/lists/oss-security/2011/05/31/20
- http://openwall.com/lists/oss-security/2011/06/01/1
- http://openwall.com/lists/oss-security/2011/06/01/11
- http://secunia.com/advisories/44449
- http://secunia.com/advisories/44958
- http://secunia.com/advisories/45149
- http://secunia.com/advisories/48947
- http://www.debian.org/security/2011/dsa-2274
- http://www.securityfocus.com/bid/48066
- http://www.wireshark.org/security/wnpa-sec-2011-07.html(Patch, Vendor Advisory)
- http://www.wireshark.org/security/wnpa-sec-2011-08.html(Patch, Vendor Advisory)
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5908(Exploit, Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=710097(Patch)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67793
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14777
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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