CVE-2011-4100
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in...
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
Exploit likelihood
What each source reports
NVD Score used
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
CVE-2011-4100- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
CVE-2011-4100- Updated
- 2026-11-02
EUVDEUVD-2011-4051 No score
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
EUVD-2011-4051- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-43qp-rp4g-mx9r No score
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in...
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
GHSA-43qp-rp4g-mx9r- Updated
- 2026-11-02
OSV No score
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
CVE-2011-4100- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4100 No score
The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
- Record
DEBIAN-CVE-2011-4100- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4100 is a medium vulnerability (CVSS 4.3) in Wireshark, published November 3, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.28%, the 83rd percentile. Fixed in wireshark 1.6.3-1.
References
bugzilla.redhat.com/show_bug.cgi?id=750643
securityfocus.com/bid/50479
wireshark.org/security/wnpa-sec-2011-17.html
secunia.com/advisories/46644
anonsvn.wireshark.org/viewvc?view=revision&revision=39140
osvdb.org/76768
Show 7 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833
openwall.com/lists/oss-security/2011/11/01/9
exchange.xforce.ibmcloud.com/vulnerabilities/71090
bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351
nvd.nist.gov/vuln/detail/CVE-2011-4100
github.com/advisories/GHSA-43qp-rp4g-mx9r
security-tracker.debian.org/tracker/CVE-2011-4100