CVE-2025-10527

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-10527
This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

7.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1984825 Broken Link
https://www.mozilla.org/security/advisories/mfsa2025-73/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-75/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-77/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-78/ Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
History

19 Sep 2025, 20:52

Type Values Removed Values Added
First Time Mozilla thunderbird
Mozilla firefox
Mozilla
CPE cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1984825 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1984825 - Broken Link
References () https://www.mozilla.org/security/advisories/mfsa2025-73/ - () https://www.mozilla.org/security/advisories/mfsa2025-73/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-75/ - () https://www.mozilla.org/security/advisories/mfsa2025-75/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-77/ - () https://www.mozilla.org/security/advisories/mfsa2025-77/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-78/ - () https://www.mozilla.org/security/advisories/mfsa2025-78/ - Vendor Advisory

16 Sep 2025, 15:15

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2025-77/ -
  • () https://www.mozilla.org/security/advisories/mfsa2025-78/ -
Summary (en) This vulnerability affects Firefox < 143 and Firefox ESR < 140.3. (en) This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

16 Sep 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-16 13:15

Updated : 2025-09-19 20:52

NVD link : CVE-2025-10527

Mitre link : CVE-2025-10527

CVE.ORG link : CVE-2025-10527

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
CWE
CWE-416

Use After Free