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What Mozilla learned running an AI security bug hunting pipeline on Firefox

ID: d635f351-d724-596f-9056-4fdb64919307

STIX ID: report--d635f351-d724-596f-9056-4fdb64919307

Feed Name: Help Net Security

Threat Score
30/100

Date Published: 2026-05-07

Date Updated: 2026-05-08

Author: Mirko Zorz

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Mozilla ran an AI-assisted scanning pipeline across Firefox source code that identified 271 security flaws (fixed in Firefox 149.0.2, 150.0.1 and 150), including memory-corruption bugs, IPC race conditions, buffer over-reads, and sandbox-escape proofs; engineers validated issues using sanitizers, contained modified builds in isolated VMs, and plan to integrate the analysis into CI to scan future patches.

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