CVE-2011-1956
MEDIUM · CVSS 4.3EPSS 5.9%EU EUVD
The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- EPSS score
- 5.9% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1950)
- 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-2011-1950 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- wireshark / wireshark
References
- http://openwall.com/lists/oss-security/2011/05/31/19(Exploit)
- http://openwall.com/lists/oss-security/2011/06/01/9(Exploit)
- http://secunia.com/advisories/44449
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html(Patch)
- http://www.wireshark.org/news/20110418.html(Patch)
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837(Exploit)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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