RCE in Mozilla Firefox

CVE-2024-6602

A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.010 (57.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-6602?
CVE-2024-6602 is a critical-severity vulnerability in Mozilla Firefox, classified under Code Injection. CVSS score: 9.8/10. Published 2024-07-09.
How severe is CVE-2024-6602?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-6602 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.