High severity · published Oct 1, 2024
CVE-2024-9399
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 131 · source: vendor, NVD
FE
Firefox ESR · Mozilla
before 128.3 · source: vendor
TH
Thunderbird · Mozilla
before 128.3; before 131 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-9399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-9399
Issue Tracking
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/
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