CVE-2024-8383

HIGH EPSS 45.9%
Published Sep 3, 20241y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 3, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don't have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15.

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:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
45.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1188

Affected Products 3

VendorProductVersionRange
mozillafirefox* <130.0
mozillafirefox_esr* <115.15
mozillafirefox_esr*≥128.0  –  <128.2

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1908496
    Issue TrackingPermissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-39/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-40/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-41/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.