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Vulnerability record · CVE-2018-17407 · published 23 September 2018

CVE-2018-17407: Tug tex live memory buffer overflow vulnerability

Tug · Tex Live

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.

7.8 CVSS 3.0 High EPSS 2.1% · top 19.5% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 6.8
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c PatchThird Party Advisory
https://lists.debian.org/debian-security-announce/2018/msg00230.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3788-1/ Third Party Advisory
https://usn.ubuntu.com/3788-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4299 Third Party Advisory
https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c PatchThird Party Advisory
https://lists.debian.org/debian-security-announce/2018/msg00230.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3788-1/ Third Party Advisory
https://usn.ubuntu.com/3788-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4299 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-17407), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.