Heap-based Buffer Overflow in the de_dotdot function in libhttpd.c in sthttpd before 2.27.1 allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted filename
Published Jun 29, 2017
7.8
HIGHCVSS 3.1
EPSS 1.52%
Description
Heap-based Buffer Overflow in the de_dotdot function in libhttpd.c in sthttpd before 2.27.1 allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted filename.
Affected products
No data.
- < 2.27.1
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
No CVSS v3.0 score for this CVE.
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
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.52% (0.01525) | 73.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.52% (0.01525) | 71.30th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00287) | 50.12th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.38% (0.00380) | 73.20th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.37% (0.00366) | 71.66th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.36% (0.00364) | 68.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00256) | 61.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- http://www.openwall.com/lists/oss-security/2017/06/15/9 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://github.com/blueness/sthttpd/commit/c0dc63a49d8605649f1d8e4a96c9b468b0bff660 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/blueness/sthttpd/releases/tag/v2.27.1 x_refsource_MISCIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2017/06/15/9 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://github.com/blueness/sthttpd/commit/c0dc63a49d8605649f1d8e4a96c9b468b0bff660 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://github.com/blueness/sthttpd/releases/tag/v2.27.1 | x_refsource_MISCIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.