Security Advisory

CVE-2021-29955

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-06-24 13:17:46

Last updated 2024-08-03 22:18:03

Assigner mozilla

State PUBLISHED

Description

A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.

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