Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string
Published Jul 21, 2017
7.5
HIGHCVSS 3.0
EPSS 2.75%
Description
Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.
Affected products
-
- Version since 1.7.2 up to 2.8.0StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Red Hat, Inc. | Cygwin | n/a |
|
- 1.7.2
- 1.7.3
- 1.7.5
- 1.7.6
- 1.7.7
- 1.7.8
- 1.7.9
- 1.7.10
- 1.7.11
- 1.7.12
- 1.7.13
- 1.7.14
- 1.7.15
- 1.7.16
- 1.7.17
- 1.7.18
- 1.7.19
- 1.7.21
- 1.7.22
- 1.7.23
- 1.7.24
- 1.7.25
- 1.7.26
- 1.7.27
- 1.7.28
- 1.7.29
- 1.7.31
- 1.7.32
- 1.7.33
- 1.7.34
- 1.7.35
- 1.8.0
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.75% (0.02746) | 85.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.75% (0.02746) | 84.21th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00164) | 53.42th | v3 (v2023.03.01) |
| Nov 17, 2023 | 0.16% (0.00164) | 52.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00162) | 50.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://cygwin.com/ml/cygwin/2017-05/msg00149.html x_refsource_MISCExploitMailing ListVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://cygwin.com/ml/cygwin/2017-05/msg00149.html | x_refsource_MISCExploitMailing ListVendor Advisory |
Change history (0)
No recorded changes yet.