CWE
185
Advisory Published
CVE Published
Updated

CVE-2025-1934

First published: Tue Mar 04 2025(Updated: )

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Firefox<136
Firefox ESR<128.8
Thunderbird<128.8
128.8
Firefox<136
136
Firefox ESR<128.8
128.8
Thunderbird<136
136
debian/firefox
136.0.1-1
debian/firefox-esr<=115.14.0esr-1~deb11u1<=128.5.0esr-1~deb12u1
128.8.0esr-1~deb11u1
128.8.0esr-1~deb12u1
128.8.0esr-1
debian/thunderbird<=1:115.12.0-1~deb11u1<=1:128.5.0esr-1~deb12u1
1:128.8.0esr-1~deb11u1
1:128.8.0esr-1~deb12u1
1:128.8.0esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2025-1934?

    CVE-2025-1934 is considered a medium severity vulnerability due to its potential to interrupt RegExp processing and execute unintended JavaScript.

  • How do I fix CVE-2025-1934?

    To fix CVE-2025-1934, update your Mozilla Firefox to version 136 or Mozilla Firefox ESR to version 128.8 or later.

  • Which versions of Firefox are affected by CVE-2025-1934?

    CVE-2025-1934 affects Mozilla Firefox versions prior to 136 and Firefox ESR versions prior to 128.8.

  • Can CVE-2025-1934 allow arbitrary code execution?

    Yes, CVE-2025-1934 can allow the execution of additional JavaScript, which may lead to arbitrary code execution under certain conditions.

  • What type of attack is CVE-2025-1934 associated with?

    CVE-2025-1934 is associated with a potential code execution attack through RegExp bailouts in specific versions of Mozilla Firefox.

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