CVE-2018-5092
Publication date 23 January 2018
Last updated 24 July 2024
Ubuntu priority
A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | 18.04 LTS bionic |
Fixed 59.0.1+build1-0ubuntu1
|
| 16.04 LTS xenial |
Fixed 58.0+build6-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 58.0+build6-0ubuntu0.14.04.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3544-1
- Firefox vulnerabilities
- 24 January 2018