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    CVE-2020-26421

    Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

    Published:Dec 9, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 11, 2020
    EPSS Score:0.00216
    CVSS Score:4.2

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Oracle
    Product
    Zfs Storage Appliance Kit
    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    https://gitlab.com/wireshark/wireshark/-/issues/16958https://gitlab.com/wireshark/wireshark/-/issues/16958

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    References

    https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
    https://gitlab.com/wireshark/wireshark/-/issues/16958
    https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
    https://security.gentoo.org/glsa/202101-12
    https://www.oracle.com/security-alerts/cpuApr2021.html
    https://www.wireshark.org/security/wnpa-sec-2020-17.html
    https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
    https://gitlab.com/wireshark/wireshark/-/issues/16958
    https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
    https://security.gentoo.org/glsa/202101-12
    https://www.oracle.com/security-alerts/cpuApr2021.html
    https://www.wireshark.org/security/wnpa-sec-2020-17.html

    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