An exploitable memory corruption vulnerability exists in the JBIG2 parser of Artifex MuPDF 1.9
Published Apr 24, 2018
7.8
HIGHCVSS 3.1
EPSS 1.54%
Description
An exploitable memory corruption vulnerability exists in the JBIG2 parser of Artifex MuPDF 1.9. A specially crafted PDF can cause a negative number to be passed to a memset resulting in memory corruption and potential code execution. An attacker can specially craft a PDF and send to the victim to trigger this vulnerability.
Affected products
-
- Version 1.10 RC2StatusaffectedConstraints-
- Version 1.9StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Artifex Software Inc. | MuPDF | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/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 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.54% (0.01542) | 74.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01677) | 73.79th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.65% (0.00653) | 69.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00078) | 35.80th | v3 (v2023.03.01) |
| Mar 22, 2024 | 0.08% (0.00077) | 31.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00072) | 29.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01135) | 56.12th | v2 (v2022.01.01) |
| Jan 19, 2023 | 1.14% (0.01135) | 55.37th | v2 (v2022.01.01) |
| Aug 30, 2022 | 1.04% (0.01036) | 41.17th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.04% (0.01036) | 39.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.04% (0.01036) | 20.62th | v2 (v2022.01.01) |
References (4)
- https://bugs.ghostscript.com/show_bug.cgi?id=697395
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/jbig2dec.git/commit/?id=e698d5c11d27212aa1098bc5b1673a3378563092
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=1a7ef61410884daff8ff8391ddcecc3102acd989
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0243 x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.