What’s Vulnerable › Vulnerabilities

CVE-2024-5695

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-11 · updated 2026-06-17
• Weakness: CWE-787

Description

If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.

Affected products

• Mozilla Firefox: before 127.0 — fixed in 127.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 127.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1895579
• https://www.mozilla.org/security/advisories/mfsa2024-25/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1895579
• https://www.mozilla.org/security/advisories/mfsa2024-25/

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