The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition
Published Feb 11, 2020
8.1
HIGHCVSS 3.1
EPSS 2.53%
Description
The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition.
Affected products
No data.
Configuration 1
Running on/with
- n/a
- 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:N/AC:H/PR:N/UI:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.53% (0.02530) | 84.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.47% (0.02468) | 82.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.37% (0.00372) | 56.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00277) | 69.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00277) | 67.31th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.28% (0.00277) | 64.68th | v3 (v2023.03.01) |
| May 8, 2023 | 0.58% (0.00577) | 74.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00731) | 77.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (5)
- https://github.com/libuv/libuv/issues/515 x_refsource_MISCPatchThird Party Advisory
- https://github.com/libuv/libuv/pull/516 x_refsource_MISCPatchThird Party Advisory
- https://github.com/nodejs/node/pull/2723 x_refsource_MISCThird Party Advisory
- https://groups.google.com/forum/#%21msg/libuv/KyNnGEXR0OA/NWb605ev2LUJ x_refsource_MISC
- https://groups.google.com/forum/#%21topic/libuv/WO2cl9zasN8 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| https://github.com/libuv/libuv/issues/515 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/libuv/libuv/pull/516 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/nodejs/node/pull/2723 | x_refsource_MISCThird Party Advisory | |
| https://groups.google.com/forum/#%21msg/libuv/KyNnGEXR0OA/NWb605ev2LUJ | x_refsource_MISC | |
| https://groups.google.com/forum/#%21topic/libuv/WO2cl9zasN8 | x_refsource_MISC |
Change history (0)
No recorded changes yet.