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    CVE-2011-4100

    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.

    Published:Sep 16, 2011
    Last Modified:Apr 11, 2025
    EPS:Nov 3, 2011
    EPSS Score:0.00959
    CVSS Score:4.3

    Affected Products

    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-76929 (CVSS 4.7) — Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76928 (CVSS 7.5) — X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76927 (CVSS 4.7) — H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76926 (CVSS 3.1) — BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76891 (CVSS 3.1) — Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76890 (CVSS 3.1) — Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76885 (CVSS 3.1) — Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76924 (CVSS 5.5) — Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76923 (CVSS 5.5) — Bluetooth HFP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…
    CVE-2026-76922 (CVSS 5.5) — Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service…

    References

    http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140
    http://openwall.com/lists/oss-security/2011/11/01/9
    http://osvdb.org/76768
    http://secunia.com/advisories/46644
    http://www.securityfocus.com/bid/50479
    http://www.wireshark.org/security/wnpa-sec-2011-17.html
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351
    https://bugzilla.redhat.com/show_bug.cgi?id=750643
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71090
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833
    http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140
    http://openwall.com/lists/oss-security/2011/11/01/9
    http://osvdb.org/76768
    http://secunia.com/advisories/46644
    http://www.securityfocus.com/bid/50479
    http://www.wireshark.org/security/wnpa-sec-2011-17.html
    https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351
    https://bugzilla.redhat.com/show_bug.cgi?id=750643
    https://exchange.xforce.ibmcloud.com/vulnerabilities/71090
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High