high
7.8
CWE
416
EPSS
0.044%
Advisory Published
CVE Published
Updated

CVE-2024-3857: Use After Free

First published: Tue Apr 16 2024(Updated: )

Last updated 24 July 2024

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

Affected SoftwareAffected VersionHow to fix
redhat/firefox<115.10
115.10
redhat/thunderbird<115.10
115.10
Thunderbird<115.10
115.10
Firefox<125
125
Firefox ESR<115.10
115.10
debian/firefox
135.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.7.0esr-1~deb11u1
128.5.0esr-1~deb12u1
128.7.0esr-1~deb12u1
128.7.0esr-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
1:128.7.0esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2024-3857?

    CVE-2024-3857 has the potential for significant impact as it may lead to use-after-free crashes in affected software.

  • How do I fix CVE-2024-3857?

    To fix CVE-2024-3857, update to the latest versions of the affected software, such as Firefox and Thunderbird, specifically beyond version 115.10.

  • Which products are affected by CVE-2024-3857?

    CVE-2024-3857 affects versions of Firefox, Thunderbird, Firefox ESR, and the corresponding Debian packages up to version 115.10.

  • What causes the CVE-2024-3857 vulnerability?

    The vulnerability in CVE-2024-3857 is caused by the JIT compiler generating incorrect code for arguments, resulting in potential crashes.

  • How can I check if my software is affected by CVE-2024-3857?

    You can check if your software is affected by CVE-2024-3857 by comparing your installed version of Firefox or Thunderbird against the mentioned vulnerable versions.

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