HIGH
In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file
Published May 24, 2018
7.8
HIGHCVSS 3.0
EPSS 1.94%
Description
In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.94% 0.01944
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01944
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.94% (0.01944) | 79.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.97% (0.01974) | 77.80th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.06% (0.01059) | 75.64th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.61% (0.02614) | 76.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.16% (0.01161) | 77.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.45% (0.00445) | 75.78th | v3 (v2023.03.01) |
| Jul 16, 2024 | 0.45% (0.00445) | 75.20th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00433) | 73.85th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.43% (0.00433) | 71.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00378) | 68.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.60% (0.01603) | 75.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.56% (0.01559) | 51.96th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.82% (0.01819) | 35.19th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.82% (0.01819) | 0.00th | v1 |
Weaknesses (1)
References (5)
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c01523505052615492f8e220f4348ba46995
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=f597300439e62f5e921f0d7b1e880b5c1a1f1607%3Bhp=093fc3b098dc5fadef5d8ad4b225db9fb124758b
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5494 ExploitIssue TrackingPatchThird Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=698884
- https://security.gentoo.org/glsa/201811-15 vendor-advisoryThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 24, 2018
Updated Aug 5, 2024
Reserved Feb 2, 2018
Link CVE-2018-1000038
CISA Vulnrichment
Updated n/a