CVE-2021-29955
published 2021-06-24CVE-2021-29955: A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also…
PriorityP428medium5.3CVSS 3.1
AVNACHPRNUIRSUCHINAN
EPSS
1.52%
71.5th percentile
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
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 87.0-1 (sid) | firefox 87.0-1 (sid) |
| debian | firefox-esr | < firefox 87.0-1 (sid) | firefox 87.0-1 (sid) |
| mozilla | firefox | < 87.0 | 87.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= unspecified < 87 | 87 |
| mozilla | firefox_esr | < 78.9 | 78.9 |
| mozilla | firefox_esr | >= unspecified < 78.9 | 78.9 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.02.6LOWAV:N/AC:H/Au:N/C:P/I:N/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
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Debian
CVE-2021-29955: firefox - A transient execution vulnerability, named Floating Point Value Injection (FPVI)...
vendor_debian·2021·CVSS 5.3
CVE-2021-29955 [MEDIUM] CVE-2021-29955: firefox - A transient execution vulnerability, named Floating Point Value Injection (FPVI)...
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.
Scope: local
sid: resolved (fixed in 87.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-10: CVE-2021-29955
vendor_mozilla·CVSS 5.3
CVE-2021-29955 [MEDIUM] Mozilla Foundation Security Advisory 2021-10: CVE-2021-29955
Mozilla Foundation Security Advisory 2021-10
CVE: CVE-2021-29955
Product: Firefox
Impact: moderate
Fixed in: Firefox 87
Mozilla
Mozilla Foundation Security Advisory 2021-11: CVE-2021-29955
vendor_mozilla·CVSS 5.3
CVE-2021-29955 [MEDIUM] Mozilla Foundation Security Advisory 2021-11: CVE-2021-29955
Mozilla Foundation Security Advisory 2021-11
CVE: CVE-2021-29955
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 78.9
GHSA
GHSA-2vp6-mvmx-fxh9: A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have a
ghsa_unreviewed·2022-05-24
CVE-2021-29955 [MEDIUM] CWE-74 GHSA-2vp6-mvmx-fxh9: A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have a
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.
OSV
CVE-2021-29955: A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have a
osv·2021-06-24·CVSS 5.3
CVE-2021-29955 [MEDIUM] CVE-2021-29955: A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have a
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.
No detection rules found.
No public exploits indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1692972https://www.mozilla.org/security/advisories/mfsa2021-10/https://www.mozilla.org/security/advisories/mfsa2021-11/https://bugzilla.mozilla.org/show_bug.cgi?id=1692972https://www.mozilla.org/security/advisories/mfsa2021-10/https://www.mozilla.org/security/advisories/mfsa2021-11/
2021-06-24
Published