Description
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Mozilla / Firefox115.33.0
- Mozilla / Firefox148.0
- Mozilla / Firefox140.8 – 140.*
- Mozilla / Firefox115.33 – 115.*
- Mozilla / Firefox148 – *
- Mozilla / Thunderbird148.0
- Mozilla / Thunderbird140.8 – 140.*
- Mozilla / Thunderbird148 – *
- Mozilla / Thunderbird140.8.0
References
- MISChttps://bugzilla.mozilla.org/show_bug.cgi?id=2016358
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-13/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-14/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-15/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-16/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-17/
Updated 16m ago · 8 sources