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

https://www.tomshardware.com/author/kunal-khullar· May 22, 2026 · 2:37 PM UTC ·8 min read · 0 reactions · 0 comments · 37 views

#software #browsers #intel #firefox #technology

TL;DR · WeSearch summary

Mozilla has released a new version of Firefox that resolves a critical bug causing crashes on Intel's Raptor Lake CPUs. This issue, which had persisted for over a year, was linked to CPU instruction instabilities. Users are encouraged to update their browsers to the latest version to avoid crashes.

Key facts

▪Firefox crashes were linked to instability in Intel's Raptor Lake CPUs.
▪The latest stable release of Firefox version 151.01 addresses this critical bug.
▪Intel confirmed that the root cause was tied to physical degradation from excessive voltage and heat.

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Tom's Hardware · https://www.tomshardware.com/author/kunal-khullar

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Original publisher	Tom's Hardware
Canonical URL	https://www.tomshardware.com/software/mozilla-firefox/after-a-year-firefox-finally-stops-crashing-on-intels-raptor-lake-cpus-mozilla-releases-new-version-patch-critical-flaw-on-intel-13th-gen-and-14th-gen-cpus
Publication time	Fri, 22 May 2026 14:37:29 +0000
Retrieval time	2026-05-22T14:42:02.370Z
Last seen	2026-05-22T14:42:02.370Z
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Opening excerpt (first ~120 words) tap to expand

Software Browsers Mozilla Firefox 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 News By Kunal Khullar published 22 May 2026 Firefox crashes were reportedly linked to Intel CPU instability. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Raptor Lake CPU (Image credit: Intel) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Mozilla has successfully addressed a critical bug related to Firefox that caused the web browser to crash on desktop systems powered by Intel’s Raptor Lake CPUs.

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