medium5.3
CVE-2021-29955
A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabl…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 87.0 |
| Mozilla | Firefox Esr | before 78.9 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1692972
- https://www.mozilla.org/security/advisories/mfsa2021-10/
- https://www.mozilla.org/security/advisories/mfsa2021-11/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1692972
- https://www.mozilla.org/security/advisories/mfsa2021-10/
- https://www.mozilla.org/security/advisories/mfsa2021-11/