Bug 1632802 (CVE-2018-17407) - CVE-2018-17407 texlive: Buffer overflow in t1_check_unusual_charstring function in writet1.c
Summary: CVE-2018-17407 texlive: Buffer overflow in t1_check_unusual_charstring functi...
Alias: CVE-2018-17407
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1632803 1632804 1650521
Blocks: 1632805
TreeView+ depends on / blocked
Reported: 2018-09-25 15:13 UTC by Pedro Sampaio
Modified: 2023-09-20 14:20 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2020-03-31 22:33:20 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:1036 0 None None None 2020-03-31 19:14:28 UTC

Description Pedro Sampaio 2018-09-25 15:13:44 UTC
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.

Upstream patch:




Comment 1 Pedro Sampaio 2018-09-25 15:14:14 UTC
Created texlive tracking bugs for this issue:

Affects: fedora-all [bug 1632803]

Comment 4 Stefan Cornelius 2018-11-16 11:49:30 UTC

This issue affects the versions of texlive as shipped with Red Hat Enterprise Linux 6 and 7.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 6 errata-xmlrpc 2020-03-31 19:14:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1036 https://access.redhat.com/errata/RHSA-2020:1036

Comment 7 Product Security DevOps Team 2020-03-31 22:33:20 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Note You need to log in before you can comment on or make changes to this bug.