Advisory Published

CVE-2023-48221: wire-avs remote format string vulnerability

First published: Mon Nov 20 2023(Updated: )

wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Prior to versions 9.2.22 and 9.3.5, a remote format string vulnerability could potentially allow an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 9.2.22 & 9.3.5 and is already included on all Wire products. No known workarounds are available.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Wire Audio\, Video\, And Signaling<9.2.22
Wire Audio\, Video\, And Signaling>=9.3.0<=9.3.5

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Frequently Asked Questions

  • What is CVE-2023-48221?

    CVE-2023-48221 is a remote format string vulnerability in wire-avs, a secure messaging software that provides Audio, Visual, and Signaling (AVS) functionality.

  • What is the severity of CVE-2023-48221?

    The severity of CVE-2023-48221 is high, with a severity score of 8.8.

  • How does CVE-2023-48221 affect wire-avs?

    CVE-2023-48221 affects wire-avs versions up to 9.2.22 and versions between 9.3.0 and 9.3.5.

  • What is the impact of CVE-2023-48221?

    The impact of CVE-2023-48221 could potentially be a denial of service or the execution of arbitrary code.

  • How can I fix CVE-2023-48221?

    To fix CVE-2023-48221, it is recommended to update wire-avs to versions 9.2.22 or 9.3.5.


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