CVE-2024-29943

CRITICAL

Published Mar 22, 2024 Modified Apr 1, 2025 CWE-125 CWE-787

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 124.0.1

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-15/ https://www.mozilla.org/security/advisories/mfsa2024-15/

Other References

http://www.openwall.com/lists/oss-security/2024/03/23/1 https://bugzilla.mozilla.org/show_bug.cgi?id=1886849 http://www.openwall.com/lists/oss-security/2024/03/23/1 https://bugzilla.mozilla.org/show_bug.cgi?id=1886849

Frequently Asked Questions

What is CVE-2024-29943? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-29943? +

CVE-2024-29943 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-29943? +

CVE-2024-29943 affects products from mozilla, specifically: firefox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-29943? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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