CVE-2010-3765

Mozilla Multiple Products Remote Code Execution Vulnerability

Mozilla — Multiple Products

Added to KEV catalog: 6 October 2025
Federal remediation due date: 27 October 2025

CISA 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.

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2010-73 ; https://nvd.nist.gov/vuln/detail/CVE-2010-3765

View on NVD View on MITRE CVE View full CISA catalog

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