CVE-2024-4774

MEDIUM

Published May 14, 2024 Modified Mar 28, 2025 CWE-758

Description

The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-758 CWE-758

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 126.0

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-21/ https://www.mozilla.org/security/advisories/mfsa2024-21/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1886598 https://bugzilla.mozilla.org/show_bug.cgi?id=1886598

Frequently Asked Questions

What is CVE-2024-4774? +

The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-4774? +

CVE-2024-4774 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-4774? +

CVE-2024-4774 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-2024-4774? +

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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