CVE-2018-12377
Publication date 6 September 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
Status
Package | Ubuntu Release | Status |
---|---|---|
firefox | 18.04 LTS bionic |
Fixed 62.0+build2-0ubuntu0.18.04.3
|
16.04 LTS xenial |
Fixed 62.0+build2-0ubuntu0.16.04.3
|
|
14.04 LTS trusty |
Fixed 62.0+build2-0ubuntu0.14.04.3
|
|
firefox-esr | 18.04 LTS bionic | Not in release |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
thunderbird | 18.04 LTS bionic |
Fixed 1:60.2.1+build1-0ubuntu0.18.04.2
|
16.04 LTS xenial |
Fixed 1:60.2.1+build1-0ubuntu0.16.04.4
|
|
14.04 LTS trusty |
Fixed 1:60.2.1+build1-0ubuntu0.14.04.2
|
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-3761-1
- Firefox vulnerabilities
- 6 September 2018
- USN-3793-1
- Thunderbird vulnerabilities
- 15 October 2018