CVE-2018-17407
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.07% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.3% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-09-23 21:00Z8 YR AGO
- Last updated
- 2024-08-05 10:47Z2 YR AGO
- Reserved
- 2018-09-23
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 6138a2060a70a55cd17db3d628c6ab859aac376df652ebdefc12457111d6a567
05 Affected products
06 References
- github.comhttps://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
- www.debian.orgDSA-4299https://www.debian.org/security/2018/dsa-4299
- lists.debian.orghttps://lists.debian.org/debian-security-announce/2018/msg00230.html
- usn.ubuntu.comUSN-3788-1https://usn.ubuntu.com/3788-1/
- usn.ubuntu.comUSN-3788-2https://usn.ubuntu.com/3788-2/
07 Fixed in
Arch Linux
- texlive-bin Fixed in 2018.48691-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- texlive-bin Fixed in 2018.20180907.48586-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- texlive-bin Fixed in 2018.20180907.48586-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- texlive-bin Fixed in 2018.20180907.48586-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- texlive-bin Fixed in 2013.20130729.30972-2ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- texlive-bin Fixed in 2015.20160222.37495-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- texlive-bin Fixed in 2017.20170613.44572-8ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.