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CVE-2025-0238

Date: January 7, 2025

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Firefox ESR < 115.19, Thunderbird < 134, and Thunderbird < 128.6.

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2025-04/
https://www.mozilla.org/security/advisories/mfsa2025-03/
https://www.mozilla.org/security/advisories/mfsa2025-05/
https://www.mozilla.org/security/advisories/mfsa2025-02/
https://nvd.nist.gov/vuln/detail/CVE-2025-0238
https://www.mozilla.org/security/advisories/mfsa2025-01/
https://bugzilla.mozilla.org/show_bug.cgi?id=1915535
https://www.mend.io/vulnerability-database/CVE-2025-0238

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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