Skip to content
OpenAdvisories
Critical · 9.8 Public exploit CVE-2024-29943 EUVD-2024-26917GHSA-gv5g-5832-j3rm

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This…

Published Mar 22, 2024 · Updated Feb 13, 2025 · Assigned by mozilla

Vendor: Mozilla Product: Firefox Package: firefox Package: mozjs102 Package: mozjs38 Package: mozjs52 Package: mozjs68 Package: mozjs78 Package: mozjs91 Category: Browsers Ecosystem: Ubuntu

Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

Affected products

VendorProductAffectedFixed
Mozilla Firefox unspecified – < 124.0.1 124.0.1

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS mozjs102 No fix yet —
Ubuntu 22.04 LTS mozjs78 +2 No fix yet —
Ubuntu 20.04 LTS firefox 124.0.1+build1-0ubuntu0.20.04.1 USN-6710-1
Ubuntu 20.04 LTS mozjs52 +1 No fix yet —
Ubuntu 18.04 LTS mozjs38 +1 No fix yet —

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed MozillaFirefox 124.0.1-1.1 openSUSE-SU-2024:13795-1
openSUSE Tumbleweed firefox-esr 128.5.1-1.1 openSUSE-SU-2024:14572-1

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 3 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 4

References