CVE-2018-17407

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductTug Tex Live
PublishedSep 23, 2018
First seenSep 23, 2018

How to fix

Update
  • tug tex_live2018-09-21 or later

Affected products

ProductAffected versionsFixed in
tug tex_livev < 2018-09-212018-09-21
canonical ubuntu_linux14.04, 16.04, 18.04, 18.10—
debian debian_linux8.0, 9.0—

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