Mozilla Multiple Products Remote Code Execution Vulnerability

When

2025-10-06 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2025-10-06 00:00 UTC

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Correlated events

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