Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering
Published Jul 28, 2022
9.8
CRITICALCVSS 3.1
EPSS 1.79%
Description
Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering. However, the shell escape does not properly encode all special characters, namely, semicolon and curly braces. This can be abused to achieve command execution. This problem affects nodepdf 1.3.0.
Affected products
- Vendor n/a Product Nodepdf Defaultn/a
- Version nodepdf 1.3.0StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Nodepdf | n/a |
|
- 1.3.0
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.79% (0.01787) | 77.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.42% (0.01416) | 69.19th | v5 (v2026.06.15) |
| Jul 30, 2025 | 1.23% (0.01235) | 78.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.17% (0.00170) | 35.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00239) | 62.81th | v3 (v2023.03.01) |
| Jan 8, 2024 | 0.24% (0.00236) | 61.67th | v3 (v2023.03.01) |
| Aug 30, 2023 | 0.25% (0.00246) | 61.80th | v3 (v2023.03.01) |
| Aug 4, 2023 | 0.24% (0.00239) | 61.06th | v3 (v2023.03.01) |
| Jun 28, 2023 | 0.17% (0.00167) | 52.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00143) | 48.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Feb 28, 2023 | 1.09% (0.01086) | 53.43th | v2 (v2022.01.01) |
| Aug 5, 2022 | 1.09% (0.01086) | 51.41th | v2 (v2022.01.01) |
| Jul 29, 2022 | 2.56% (0.02559) | 80.98th | v2 (v2022.01.01) |
References (1)
- https://lf.lc/cve/cve-2016-4991/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://lf.lc/cve/cve-2016-4991/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.