CVE-2024-3302

Name: CVE-2024-3302
Creator: NVD / NIST
Published: 2024-04-16T16:15:08.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2024-3302 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. 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. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

3.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 115.10
Mozilla	Firefox	< 125.0
Mozilla	Thunderbird	<= 115.10

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1881183Issue Tracking
https://kb.cert.org/vuls/id/421644US Government Resource
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1881183Issue Tracking
https://kb.cert.org/vuls/id/421644US Government Resource
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory

Timeline

Published: Apr 16, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-3302?

How severe is CVE-2024-3302?

CVE-2024-3302 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2024-3302?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-3302?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST