CVE-2021-4183

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    CVE-2021-4183

    Published: 30 Dec 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/, https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4183.json, https://security.gentoo.org/glsa/202210-04, https://www.wireshark.org/security/wnpa-sec-2021-19.html, https://gitlab.com/wireshark/wireshark/-/issues/17755, https://www.oracle.com/security-alerts/cpuapr2022.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3a34e44d02c9c91f9f851bd6f29ff4505131b127
    Fixed -None

    Affected versions

    3.6.0

    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
    CVE-2021-4183 | CVE-DB