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MFSA2021-10 Firefox: Security Vulnerabilities fixed in Firefox 87 (CVE-2021-29955)

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MFSA2021-10 Firefox: Security Vulnerabilities fixed in Firefox 87 (CVE-2021-29955)

Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
03/23/2021
Created
06/11/2021
Added
06/09/2021
Modified
07/02/2021

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.

Solution(s)

  • mozilla-firefox-upgrade-87_0

References

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