Description
JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected products
- Mozilla / Firefox115.37 – 115.*
- Mozilla / Firefox140.12 – 140.*
- Mozilla / Firefox152 – *
- Mozilla / Thunderbird140.12 – 140.*
- Mozilla / Thunderbird152 – *
References
- MISChttps://bugzilla.mozilla.org/show_bug.cgi?id=2043139
- 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/mfsa2026-59/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-60/
- VENDOR_ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-61/