Summary
Mozilla Firefox, SeaMonkey, and Thunderbird contain an unspecified vulnerability when JavaScript is enabled. This allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption.
- Vendor
- Mozilla
- Product
- Multiple Products
- Added to KEV
- Oct 6, 2025
- Remediation due
- Oct 27, 2025 (US federal deadline)
- Ransomware use
- Not known
- EPSS
- 83.2% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References