texlive: Buffer overflow in t1_check_unusual_charstring function in writet1.c
Published Sep 23, 2018
7.8
HIGHCVSS 3.0
EPSS 2.06%
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.
Affected products
No data.
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 7
texlive-2:2012-45.20130427_r30134.el7
Fixed · RHSA-2020:1036
Red Hat Enterprise Linux 6
texlive
Will not fix
Red Hat Enterprise Linux 8
texlive
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | texlive-2:2012-45.20130427_r30134.el7 | Fixed | RHSA-2020:1036 |
| Red Hat Enterprise Linux 6 | texlive | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | texlive | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
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/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.06% (0.02058) | 80.62th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.06% (0.02058) | 80.47th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.14% (0.03139) | 87.32th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.06% (0.02058) | 80.05th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.14% (0.03139) | 87.04th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.06% (0.02058) | 79.95th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.14% (0.03139) | 86.96th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.06% (0.02058) | 79.84th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.14% (0.03139) | 86.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.07% (0.02066) | 78.84th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.74% (0.00744) | 70.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.10% (0.02103) | 73.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.74% (0.00744) | 71.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00229) | 61.98th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.23% (0.00229) | 61.10th | v3 (v2023.03.01) |
| Sep 17, 2023 | 0.33% (0.00325) | 67.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00234) | 59.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.56% (0.01559) | 75.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.56% (0.01559) | 51.96th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.18% (0.02177) | 50.59th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.18% (0.02177) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2018-17407 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1632802 Issue Tracking
- https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-security-announce/2018/msg00230.html x_refsource_MISCMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-17407
- https://usn.ubuntu.com/3788-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3788-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-17407
- https://www.debian.org/security/2018/dsa-4299 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-17407 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1632802 | Issue Tracking | |
| https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c | x_refsource_MISCPatchThird Party Advisory | |
| https://lists.debian.org/debian-security-announce/2018/msg00230.html | x_refsource_MISCMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17407 | ||
| https://usn.ubuntu.com/3788-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3788-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-17407 | ||
| https://www.debian.org/security/2018/dsa-4299 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.