CVE-2018-5178
Publication date 10 May 2018
Last updated 25 August 2025
Ubuntu priority
Description
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| thunderbird | 18.04 LTS bionic |
Fixed 1:52.8.0+build1-0ubuntu0.18.04.1
|
| 16.04 LTS xenial |
Fixed 1:52.8.0+build1-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 1:52.8.0+build1-0ubuntu0.14.04.1
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
8.1 · High
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-3660-1
- Thunderbird vulnerabilities
- 25 May 2018