Vulnerability DatabaseCVE-2025-0240
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CVE-2025-0240
January 07, 2025
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
Related Resources (6)
https://www.mozilla.org/security/advisories/mfsa2025-04/
https://bugzilla.mozilla.org/show_bug.cgi?id=1929623
https://www.mozilla.org/security/advisories/mfsa2025-05/
https://www.mozilla.org/security/advisories/mfsa2025-02/
https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html
https://www.mozilla.org/security/advisories/mfsa2025-01/
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CVSS v4
Base Score:
5.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.05