CVE-2018-17407
texlive-bin - security update
7.8
HIGH
CVSS 3.1
EPSS 1.4%
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.
How to fix CVE-2018-17407
To remediate CVE-2018-17407, upgrade the affected package to a fixed version below.
- —upgrade to 2018.20180907.48586-2 or later
- —upgrade to 2014.20140926.35254-6+deb8u1 or later
- —upgrade to 2016.20160513.41080.dfsg-2+deb9u1 or later
Is CVE-2018-17407 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2018.20180907.48586-2
- from 0, < 2014.20140926.35254-6+deb8u1
- from 0, < 2016.20160513.41080.dfsg-2+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |