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.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1692972 Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-10/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-11/ Release Notes Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2021-06-24T13:17:46

Updated: 2021-06-24T13:17:46

Reserved: 2021-04-01T00:00:00


Link: CVE-2021-29955

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-06-24T14:15:10.053

Modified: 2021-06-30T16:48:11.797


Link: CVE-2021-29955

JSON object: View

cve-icon Redhat Information

No data.

CWE