// For flags

CVE-2021-29981

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Un problema presente en la asignación de bajada y registro podría haber conllevado a fallos de confusión de registro oscuros pero deterministas en el código JITted que conllevaría un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox versiones anteriores a 91 y Thunderbird versiones anteriores a 91.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-01 CVE Reserved
  • 2021-08-17 CVE Published
  • 2024-05-02 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
Search vendor "Mozilla"
 Firefox
Search vendor "Mozilla" for product "Firefox"
 < 91.0
Search vendor "Mozilla" for product "Firefox" and version " < 91.0"
-
Affected
Mozilla
Search vendor "Mozilla"
 Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
 < 91.0
Search vendor "Mozilla" for product "Thunderbird" and version " < 91.0"
-
Affected