CVE-2025-8036

HIGH EPSS 33.7%
Published Jul 22, 202511mo ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published Jul 22, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
33.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-350

Affected Products 4

VendorProductVersionRange
mozillafirefox* <140.1.0
mozillafirefox* <141.0
mozillathunderbird* <140.1.0
mozillathunderbird* <141.0

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1960834
    Permissions Required
  • kb.cert.org https://www.kb.cert.org/vuls/id/652514
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-56/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-59/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-61/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-63/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.