CVE-2020-26952
Publication date 17 November 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
firefox | 24.04 LTS noble |
Fixed 83.0+build2-0ubuntu1
|
22.04 LTS jammy |
Fixed 83.0+build2-0ubuntu1
|
|
20.04 LTS focal |
Fixed 83.0+build2-0ubuntu0.20.04.1
|
|
18.04 LTS bionic |
Fixed 83.0+build2-0ubuntu0.18.04.2
|
|
16.04 LTS xenial |
Fixed 83.0+build2-0ubuntu0.16.04.3
|
|
14.04 LTS trusty | Not in release | |
mozjs38 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
mozjs52 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Ignored | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
mozjs60 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
mozjs68 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Ignored | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Notes
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4637-1
- Firefox vulnerabilities
- 18 November 2020
- USN-4637-2
- Firefox vulnerabilities
- 19 November 2020