CVE-2024-0752

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-23 · updated 2026-06-17
Weakness: CWE-416

Description

A use-after-free crash could have occurred on macOS if a Firefox update were being applied on a very busy system. This could have resulted in an exploitable crash. This vulnerability affects Firefox < 122.

Affected products

Mozilla Firefox: before 122.0 — fixed in 122.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 122.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1866840
https://www.mozilla.org/security/advisories/mfsa2024-01/
https://bugzilla.mozilla.org/show_bug.cgi?id=1866840
https://www.mozilla.org/security/advisories/mfsa2024-01/

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