CVE-2024-3302

low-risk
Published 2024-04-16

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.7/10 Low
NETWORK / HIGH complexity

Affected Products (3)

Affected Vendors

Mozilla

References (14)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1881183
US Government Resource https://kb.cert.org/vuls/id/421644
Mailing List https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
Mailing List https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
Vendor Advisory 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/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1881183
US Government Resource https://kb.cert.org/vuls/id/421644
Mailing List https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
Mailing List https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
Vendor Advisory 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/
22
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 9/34 · Low