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.

Is your site exposed to CVE-2024-4774?

Run a free security scan — no signup, results in seconds.

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
mozilla firefox

References

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.

Related Vulnerabilities

CVE-2026-16441

In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled …
CVE-2026-50185

RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be …
CVE-2025-54811 7.1

OpenPLC_V3 has a vulnerability in the enipThread function that occurs due to the lack of a return value. This leads …
CVE-2025-55160 6.1

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-27 and 7.1.2-1, there …
CVE-2026-40279 3.7

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decode_signed32() in src/bacnet/bacint.c …
CVE-2024-58350 2.9

Ghidra before 11.2 contains a use after free vulnerability in the Sleigh backend caused by undefined static initialization order of …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2024-4774 — free, no signup required.