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    CVE-2011-3266

    The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of service (infinite loop) via vectors involving a malformed IKE packet and many items in a tree.

    Published:Jul 28, 2011
    Last Modified:Apr 11, 2025
    EPS:Aug 24, 2011
    EPSS Score:0.01019
    CVSS Score:2.6

    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://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html
    http://securityreason.com/securityalert/8351
    http://securitytracker.com/id?1025875
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:138
    http://www.securityfocus.com/archive/1/519049/100/0/threaded
    http://www.securityfocus.com/bid/49377
    http://www.wireshark.org/security/wnpa-sec-2011-13.html
    https://exchange.xforce.ibmcloud.com/vulnerabilities/69411
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15042
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html
    http://securityreason.com/securityalert/8351
    http://securitytracker.com/id?1025875
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:138
    http://www.securityfocus.com/archive/1/519049/100/0/threaded
    http://www.securityfocus.com/bid/49377
    http://www.wireshark.org/security/wnpa-sec-2011-13.html
    https://exchange.xforce.ibmcloud.com/vulnerabilities/69411
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15042

    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