CVE-2021-29955

Summary

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 Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 78.9affected
MozillaFirefoxunspecified < 87affected

Weaknesses

  • Transient Execution Vulnerability allowed leaking arbitrary memory address

ADP Enrichment

CVE Program Container

Additional References

References