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    CVE-2023-2906

    Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.

    Published:Aug 25, 2023
    Last Modified:Nov 3, 2025
    EPS:Aug 25, 2023
    EPSS Score:0.00095
    CVSS Score:6.5

    Affected Products

    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    https://gitlab.com/wireshark/wireshark/-/issues/19229https://takeonme.org/cves/CVE-2023-2906.htmlhttps://gitlab.com/wireshark/wireshark/-/issues/19229https://takeonme.org/cves/CVE-2023-2906.html

    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

    https://gitlab.com/wireshark/wireshark/-/issues/19229
    https://lists.fedoraproject.org/archives/list/[email protected]/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/
    https://takeonme.org/cves/CVE-2023-2906.html
    https://gitlab.com/wireshark/wireshark/-/issues/19229
    https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/
    https://takeonme.org/cves/CVE-2023-2906.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