Resource exhaustion in Mozilla Firefox

CVE-2024-3302

There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

EPSS: 0.008 (51.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-3302?
CVE-2024-3302 is a low-severity vulnerability in Mozilla Firefox, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2024-04-16.
How severe is CVE-2024-3302?
Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2024-3302 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.