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CVE-2021-29955

Published: Jun 24, 2021

Modified: Aug 3, 2024

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.

Vendor	Product	Versions
Mozilla	Firefox ESR	affected `unspecified - < 78.9`
Mozilla	Firefox	affected `unspecified - < 87`

References

https://www.mozilla.org/security/advisories/mfsa2021-10/

x_refsource_MISC

https://www.mozilla.org/security/advisories/mfsa2021-11/

x_refsource_MISC

https://bugzilla.mozilla.org/show_bug.cgi?id=1692972

x_refsource_MISC

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