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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-29955 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-29955
NVD Published Date:
06/24/2021
NVD Last Modified:
11/21/2024
Source:
Mozilla Corporation