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    CVE-2021-39926

    Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

    Published:Nov 17, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 19, 2021
    EPSS Score:0.00178
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    https://gitlab.com/wireshark/wireshark/-/issues/17649https://gitlab.com/wireshark/wireshark/-/issues/17649

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    References

    https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json
    https://gitlab.com/wireshark/wireshark/-/issues/17649
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
    https://security.gentoo.org/glsa/202210-04
    https://www.debian.org/security/2021/dsa-5019
    https://www.wireshark.org/security/wnpa-sec-2021-08.html
    https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json
    https://gitlab.com/wireshark/wireshark/-/issues/17649
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
    https://security.gentoo.org/glsa/202210-04
    https://www.debian.org/security/2021/dsa-5019
    https://www.wireshark.org/security/wnpa-sec-2021-08.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