8.8
CWE
787
EPSS
0.060%
Advisory Published
CVE Published
Updated

CVE-2023-6873

First published: Tue Dec 19 2023(Updated: )

Last updated 24 July 2024

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<121.0
Debian=10.0
Debian=11.0
Debian=12.0
Firefox<121
121
debian/firefox
135.0.1-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.7.0esr-1~deb11u1
1:128.5.0esr-1~deb12u1
1:128.7.0esr-1~deb12u1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-6873?

    CVE-2023-6873 has a high severity due to memory safety issues that may allow arbitrary code execution.

  • How do I fix CVE-2023-6873?

    To fix CVE-2023-6873, update your Mozilla Firefox to version 121 or later.

  • Which versions of software are affected by CVE-2023-6873?

    CVE-2023-6873 affects Firefox versions prior to 121 and certain Debian Linux distributions.

  • What type of vulnerability is CVE-2023-6873?

    CVE-2023-6873 is a memory safety vulnerability that can lead to memory corruption.

  • Is there a workaround for CVE-2023-6873?

    No specific workaround is recommended; updating to the latest version is the best approach to mitigate CVE-2023-6873.

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