CVE-2020-26952HIGH
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
References
Details
Source: MITRE
Published: 2020-12-09
Updated: 2020-12-09
Type: CWE-787
Risk Information
CVSS v2
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
CVSS v3
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH
Vulnerable Software
Configuration 1
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 143127 | Ubuntu 16.04 LTS : Firefox vulnerabilities (USN-4637-2) | Nessus | Ubuntu Local Security Checks | high |
| 143121 | Ubuntu 18.04 LTS / 20.04 LTS / 20.10 : Firefox vulnerabilities (USN-4637-1) | Nessus | Ubuntu Local Security Checks | high |
| 142911 | Mozilla Firefox < 83.0 | Nessus | MacOS X Local Security Checks | high |
| 142910 | Mozilla Firefox < 83.0 | Nessus | Windows | high |