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Firefox 151.01 patches year-old Intel Raptor Lake CPU crash bug

Mozilla has released Firefox version 151.01, patching a critical bug that caused the browser to crash on Intel's Raptor Lake CPUs. The issue, investigated for over a year, was traced to specific Intel CPU instructions that sometimes led to incorrect data reads. While Intel has released microcode updates and extended warranties, the fix in Firefox addresses the software side of the instability. AI

Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →

IMPACT Minimal direct impact on AI operations; addresses a software stability issue.

RANK_REASON Software patch for a bug affecting specific hardware.

Read on Tom's Hardware →

Firefox 151.01 patches year-old Intel Raptor Lake CPU crash bug

COVERAGE [1]

  1. Tom's Hardware TIER_1 · Kunal Khullar ·

    After a year, Firefox finally stops crashing on Intel's Raptor Lake CPUs — Mozilla releases new version patch critical flaw on Intel 13th-gen and 14th-gen CPUs

    Mozilla spent more than a year investigating widespread browser crashes on Intel 13th-gen and 14th-gen systems.