CVE-2024-4774

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.23%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1886598 issue tracking
https://www.mozilla.org/security/advisories/mfsa2024-21/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-4774?
CVE-2024-4774 has been scored as a medium severity vulnerability.
How to fix CVE-2024-4774?
To fix CVE-2024-4774, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-4774 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-4774 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-4774?
CVE-2024-4774 affects Mozilla Firefox.
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