ghostscript: check for sufficient params in .sethalftone5
Published Apr 14, 2017
7.8
HIGHCVSS 3.0
EPSS 3.21%
Description
The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.
Affected products
No data.
- ≤ 9.20
No data.
Red Hat Enterprise Linux 6
ghostscript-0:8.70-21.el6_8.1
Fixed · RHSA-2017:0014
Red Hat Enterprise Linux 7
ghostscript-0:9.07-20.el7_3.1
Fixed · RHSA-2017:0013
Red Hat Enterprise Linux 5
ghostscript
Will not fix
Red Hat OpenShift Enterprise 2
ghostscript
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | ghostscript-0:8.70-21.el6_8.1 | Fixed | RHSA-2017:0014 |
| Red Hat Enterprise Linux 7 | ghostscript-0:9.07-20.el7_3.1 | Fixed | RHSA-2017:0013 |
| Red Hat Enterprise Linux 5 | ghostscript | Will not fix | n/a |
| Red Hat OpenShift Enterprise 2 | ghostscript | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.21% (0.03212) | 87.74th | v5 (v2026.06.15) |
| Sep 22, 2026 | 3.21% (0.03212) | 87.63th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.92% (0.05923) | 92.98th | v5 (v2026.06.15) |
| Sep 6, 2026 | 3.21% (0.03212) | 87.35th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.92% (0.05923) | 92.83th | v5 (v2026.06.15) |
| Aug 30, 2026 | 3.21% (0.03212) | 87.28th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.92% (0.05923) | 92.78th | v5 (v2026.06.15) |
| Aug 24, 2026 | 3.21% (0.03212) | 87.21th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.92% (0.05923) | 92.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.24% (0.03239) | 86.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.62% (0.00618) | 68.18th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.28% (0.06280) | 93.87th | v3 (v2023.03.01) |
| Jul 15, 2024 | 5.82% (0.05818) | 93.46th | v3 (v2023.03.01) |
| Aug 30, 2023 | 4.21% (0.04205) | 91.12th | v3 (v2023.03.01) |
| Mar 25, 2023 | 3.01% (0.03011) | 89.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.07% (0.02072) | 87.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.86% (0.05857) | 90.50th | v2 (v2022.01.01) |
| Feb 23, 2023 | 5.86% (0.05857) | 90.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.20% (0.05203) | 88.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.20% (0.05203) | 75.22th | v2 (v2022.01.01) |
References (14)
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2017-0013.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2017-0014.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3691 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/10/11/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/11/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95311 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-8602 Vendor Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=697203 x_refsource_CONFIRMIssue TrackingPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1383940 x_refsource_CONFIRMIssue TrackingPatch
- https://ghostscript.com/doc/9.21/History9.htm x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-8602
- https://security.gentoo.org/glsa/201702-31 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-8602
Change history (0)
No recorded changes yet.