Description
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- Mozilla / Firefox140.12 – 140.*
- Mozilla / Firefox152 – *
- Mozilla / Thunderbird140.12 – 140.*
- Mozilla / Thunderbird152 – *
References
- MISChttps://bugzilla.mozilla.org/show_bug.cgi?id=2040383
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-57/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-58/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-60/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-61/