CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Oct 27, 2025
High
CISA KEVCVE-2010-3765
Mozilla—Multiple Products
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
https://www.mozilla.org/en-US/security/advisories/mfsa2010-73 ; https://nvd.nist.gov/vuln/detail/CVE-2010-3765
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Oct 6, 2025
- KEV Added
- Oct 6, 2025
- Due Date
- Oct 27, 2025
- Related Articles
- 0
Vendor
Mozilla
Multiple Products