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CVE-2021-29955

CVE-2021-29955

EPSS 1.5%
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.
Affected products
Mozilla · FirefoxMozilla · Firefox ESR

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References
https://bugzilla.mozilla.org/show_bug.cgi?id=1692972https://www.mozilla.org/security/advisories/mfsa2021-10/https://www.mozilla.org/security/advisories/mfsa2021-11/