CVE-2024-9399

HIGH EPSS 38.9%
Published Oct 1, 20241y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 1, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
38.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-404

Affected Products 4

VendorProductVersionRange
mozillafirefox* <128.3.0
mozillafirefox*≥129.0  –  <131.0
mozillathunderbird* <128.3.0
mozillathunderbird*≥129.0  –  <131.0

References 5

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1907726
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-46/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-47/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-49/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-50/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.