Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-1u3s-wux4-6ye3
Vulnerability ID VCID-1u3s-wux4-6ye3
Aliases CVE-2011-1956
Summary Multiple vulnerabilities in Wireshark allow for the remote execution of arbitrary code, or a Denial of Service condition.
Status Published
Exploitability 2.0
Weighted Severity 3.9
Risk 7.8
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
epss 0.06052 https://api.first.org/data/v1/epss?cve=CVE-2011-1956
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2011-1956
Reference id Reference type URL
http://openwall.com/lists/oss-security/2011/05/31/19
http://openwall.com/lists/oss-security/2011/06/01/9
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1956.json
https://api.first.org/data/v1/epss?cve=CVE-2011-1956
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1956
http://secunia.com/advisories/44449
https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943
http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html
http://www.wireshark.org/news/20110418.html
cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:*
CVE-2011-1956 https://nvd.nist.gov/vuln/detail/CVE-2011-1956
CVE-2011-1956;OSVDB-72974 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/35873.txt
CVE-2011-1956;OSVDB-72974 Exploit https://www.securityfocus.com/bid/48389/info
GLSA-201110-02 https://security.gentoo.org/glsa/201110-02
Data source Exploit-DB
Date added June 17, 2011
Description Wireshark 1.4.5 - 'bytes_repr_len()' Null Pointer Dereference Denial of Service
Ransomware campaign use Known
Source publication date June 17, 2011
Exploit type dos
Platform windows
Source update date Jan. 26, 2015
Source URL https://www.securityfocus.com/bid/48389/info
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-1956
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.90693
EPSS Score 0.06052
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:11.446953+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201110-02 38.0.0