CRITICAL
The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length
Published Feb 6, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.05%
Description
The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
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.
2.05% 0.02047
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02047
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.05% (0.02047) | 80.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.09% (0.02086) | 79.07th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.58% (0.00578) | 66.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.99% (0.01986) | 72.76th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.32% (0.00316) | 70.67th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00316) | 69.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00317) | 65.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 6, 2022 | 0.83% (0.00833) | 23.96th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://lists.unbit.it/pipermail/uwsgi/2018-February/008835.html x_refsource_MISCIssue TrackingPatch
- https://github.com/unbit/uwsgi/commit/cb4636f7c0af2e97a4eef7a3cdcbd85a71247bfe x_refsource_MISCPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00010.html mailing-listx_refsource_MLISTThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.unbit.it/pipermail/uwsgi/2018-February/008835.html | x_refsource_MISCIssue TrackingPatch | |
| https://github.com/unbit/uwsgi/commit/cb4636f7c0af2e97a4eef7a3cdcbd85a71247bfe | x_refsource_MISCPatchVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/02/msg00010.html | mailing-listx_refsource_MLISTThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 6, 2018
Updated Aug 5, 2024
Reserved Feb 6, 2018
Link CVE-2018-6758
CISA Vulnrichment
Updated n/a