October 6, 2025 · Applied Cybernetics Group
CVE-2010-3765 — Mozilla Multiple Products
Mozilla Multiple Products Remote Code Execution Vulnerability
- Added to KEV
2025-10-06- Federal due date
2025-10-27- Vendor
- Mozilla
- Product
- Multiple Products
- EPSS
- 99.4th percentile (score 0.868, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2010-3765
CISA short description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.