CWE
770
Advisory Published
CVE Published
Updated

CVE-2023-4046

First published: Tue Aug 01 2023(Updated: )

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process.

Credit: security@mozilla.org security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<115.1
115.1
Mozilla Firefox ESR<102.14
102.14
Mozilla Thunderbird<115.1
115.1
Mozilla Thunderbird<102.14
102.14
redhat/firefox<102.14
102.14
redhat/firefox<115.1
115.1
redhat/thunderbird<102.14
102.14
redhat/thunderbird<115.1
115.1
Mozilla Firefox<116
116
Mozilla Firefox<116.0
Mozilla Firefox ESR>=102.0<102.14
Mozilla Firefox ESR>=115.0<115.1
Debian Debian Linux=11.0
Debian Debian Linux=12.0
Mozilla Firefox>=102.0<102.14
Mozilla Firefox>=115.0<115.1
debian/firefox
132.0.2-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.4.0esr-1~deb11u1
128.3.1esr-1~deb12u1
128.4.0esr-1~deb12u1
128.3.1esr-2
128.4.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.4.3esr-1~deb11u1
1:115.16.0esr-1~deb12u1
1:128.4.0esr-1~deb12u1
1:128.4.2esr-1
1:128.4.3esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-4046?

    The severity of CVE-2023-4046 is high with a CVSS score of 5.3.

  • Which software versions are affected by CVE-2023-4046?

    Firefox versions < 116, Firefox ESR versions < 102.14, and Thunderbird versions < 115.1 are affected by CVE-2023-4046.

  • How can I fix CVE-2023-4046 in Firefox?

    To fix CVE-2023-4046 in Firefox, update to version 116 or higher.

  • How can I fix CVE-2023-4046 in Firefox ESR?

    To fix CVE-2023-4046 in Firefox ESR, update to version 102.14 or higher.

  • How can I fix CVE-2023-4046 in Thunderbird?

    To fix CVE-2023-4046 in Thunderbird, update to version 115.1 or higher.

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