CVE-2024-9399
HIGHFirefox < 131 and ESR < 128.3 - Denial of Service via WebTransport Session
Title source: llmDescription
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
References (5)
Core 5
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1907726
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-46/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-47/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-49/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-50/
Scores
CVSS v3
7.5
EPSS
0.0026
EPSS Percentile
49.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (2)
mozilla/firefox
< 128.3.0
mozilla/thunderbird
< 128.3.0
Published
Oct 01, 2024
Tracked Since
Feb 18, 2026