CWE
119 120
Advisory Published
Updated

CVE-2020-26422: Buffer Overflow

First published: Mon Dec 21 2020(Updated: )

Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file

Credit: cve@gitlab.com

Affected SoftwareAffected VersionHow to fix
Wireshark Wireshark=3.4.0
Wireshark Wireshark=3.4.1
Oracle Sun ZFS Storage Appliance Kit=8.8

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Frequently Asked Questions

  • What is the severity of CVE-2020-26422?

    CVE-2020-26422 is classified as a high severity vulnerability due to its potential for causing denial of service.

  • How do I fix CVE-2020-26422?

    The fix for CVE-2020-26422 involves upgrading to Wireshark version 3.4.2 or later.

  • What impact does CVE-2020-26422 have on affected versions of Wireshark?

    CVE-2020-26422 allows denial of service via packet injection or crafted capture files, affecting versions 3.4.0 and 3.4.1.

  • Is CVE-2020-26422 present in other software besides Wireshark?

    Yes, CVE-2020-26422 also affects Oracle Sun ZFS Storage Appliance Kit version 8.8.

  • How can I determine if I am vulnerable to CVE-2020-26422?

    You are vulnerable to CVE-2020-26422 if you are using Wireshark versions 3.4.0 or 3.4.1 without applying the official patch.

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