ghostscript: 1Policy operator allows a sandbox protection bypass
Published Oct 19, 2018
8.6
HIGHCVSS 3.0
EPSS 16.29%
Description
Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.
Affected products
No data.
Configuration 1
- ≤ 9.25
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 4
- < 9.26
Configuration 5
- 7.0
- 7.0
- 7.6
- 7.6
- 7.6
- 7.0
Configuration 6
- ≥ 8.2r1.0 · < 8.2r12.1
- ≥ 8.3r1 · < 8.3r7.1
- ≥ 9.0r1 · < 9.0r3.4
No data.
Red Hat Enterprise Linux 7
ghostscript-0:9.07-31.el7_6.6
Fixed · RHSA-2018:3834
Red Hat Enterprise Linux 5
ghostscript
Will not fix
Red Hat Enterprise Linux 6
ghostscript
Will not fix
Red Hat Enterprise Linux 8
ghostscript
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | ghostscript-0:9.07-31.el7_6.6 | Fixed | RHSA-2018:3834 |
| Red Hat Enterprise Linux 5 | ghostscript | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | ghostscript | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | ghostscript | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
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 Important, 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/.
Red Hat mitigation
Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509
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:C/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 16.29% (0.16288) | 96.87th | v5 (v2026.06.15) |
| Sep 22, 2026 | 16.29% (0.16288) | 96.80th | v5 (v2026.06.15) |
| Sep 21, 2026 | 9.33% (0.09326) | 95.22th | v5 (v2026.06.15) |
| Sep 6, 2026 | 16.29% (0.16288) | 96.74th | v5 (v2026.06.15) |
| Sep 5, 2026 | 9.33% (0.09326) | 95.11th | v5 (v2026.06.15) |
| Aug 30, 2026 | 16.29% (0.16288) | 96.72th | v5 (v2026.06.15) |
| Aug 28, 2026 | 9.33% (0.09326) | 95.08th | v5 (v2026.06.15) |
| Aug 24, 2026 | 16.29% (0.16288) | 96.70th | v5 (v2026.06.15) |
| Aug 23, 2026 | 9.33% (0.09326) | 95.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.29% (0.16288) | 96.54th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.38% (0.00375) | 57.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00119) | 47.62th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.12% (0.00119) | 45.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00099) | 39.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.68% (0.02678) | 55.40th | v1 |
| Jan 6, 2022 | 2.68% (0.02678) | 54.96th | v1 |
| Sep 1, 2021 | 2.68% (0.02678) | 79.35th | v1 |
| Apr 14, 2021 | 2.68% (0.02678) | 0.00th | v1 |
No CWE recorded.
References (16)
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=8d19fdf63f91f50466b08f23e2d93d37a4c5ea0b x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2018/10/16/2 mailing-listx_refsource_MLISTExploitMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/107451 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3834 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-18284 Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1696 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699963 x_refsource_MISCIssue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1642940 Issue Tracking
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-18284
- https://security.gentoo.org/glsa/201811-12 vendor-advisoryx_refsource_GENTOOMitigationThird Party Advisory
- https://support.f5.com/csp/article/K22141757?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://usn.ubuntu.com/3803-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-18284
- https://www.debian.org/security/2018/dsa-4336 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.