CVE-2018-17407
Publication date 23 September 2018
Last updated 25 August 2025
Ubuntu priority
Description
An issue was discovered in t1_check_unusual_charstring functions in writet1.c files in TeX Live before 2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| texlive-bin | ||
| 18.04 LTS bionic |
Fixed 2017.20170613.44572-8ubuntu0.1
|
|
| 16.04 LTS xenial |
Fixed 2015.20160222.37495-1ubuntu0.1
|
|
| 14.04 LTS trusty |
Fixed 2013.20130729.30972-2ubuntu0.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3788-2
- Tex Live-bin vulnerability
- 23 October 2018
- USN-3788-1
- Tex Live vulnerabilities
- 11 October 2018