NET: Resource loop in ReadAsync when it is being cancelled while producer allocates memory using GetMemory
Published Sep 13, 2018
7.5
HIGHCVSS 3.1
EPSS 6.56%
Description
A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET Core 2.1.
Affected products
-
- Version 2.1StatusaffectedConstraints-
- Version
-
- Version System.IO.PipelinesStatusaffectedConstraints-
- Version
-
- Version 2.1StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | ASP.NET Core | n/a |
| ||||||
| Microsoft | System.IO.Pipelines | n/a |
| ||||||
| Microsoft | n/a | n/a |
|
- ≥ 2.1 · < 2.1.4
- ≥ 2.1 · < 2.1.4
- 4.5.0
No data.
.NET Core 1.0 on Red Hat Enterprise Linux
rh-dotnetcore10-dotnetcore
Not affected
.NET Core 1.1 on Red Hat Enterprise Linux
rh-dotnetcore11-dotnetcore
Not affected
.NET Core 2.0 on Red Hat Enterprise Linux
rh-dotnet20-dotnet
Not affected
.NET Core 2.1 on Red Hat Enterprise Linux
rh-dotnet21-dotnet
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| .NET Core 1.0 on Red Hat Enterprise Linux | rh-dotnetcore10-dotnetcore | Not affected | n/a |
| .NET Core 1.1 on Red Hat Enterprise Linux | rh-dotnetcore11-dotnetcore | Not affected | n/a |
| .NET Core 2.0 on Red Hat Enterprise Linux | rh-dotnet20-dotnet | Not affected | n/a |
| .NET Core 2.1 on Red Hat Enterprise Linux | rh-dotnet21-dotnet | Not affected | n/a |
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:N/I:N/A:H
CVSS:3.0/AV:L/AC:H/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 v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.56% (0.06558) | 93.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.56% (0.06558) | 92.92th | v5 (v2026.06.15) |
| Jun 5, 2026 | 18.32% (0.18320) | 95.35th | v4 (v2025.03.14) |
| Nov 15, 2025 | 14.75% (0.14749) | 94.21th | v4 (v2025.03.14) |
| Sep 7, 2025 | 12.89% (0.12890) | 93.80th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.55% (0.07554) | 91.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.01% (0.18006) | 92.02th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.46% (0.07458) | 91.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00105) | 44.58th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.11% (0.00107) | 43.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00129) | 46.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.71% (0.05708) | 90.31th | v2 (v2022.01.01) |
| Jan 3, 2023 | 5.71% (0.05708) | 89.87th | v2 (v2022.01.01) |
| Jul 26, 2022 | 5.20% (0.05203) | 89.06th | v2 (v2022.01.01) |
| Jun 19, 2022 | 4.43% (0.04434) | 87.37th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.03% (0.04026) | 84.55th | v2 (v2022.01.01) |
| Mar 9, 2022 | 4.03% (0.04026) | 68.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.36% (0.03358) | 65.90th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.22% (0.08219) | 85.31th | v1 |
| Jan 6, 2022 | 8.22% (0.08219) | 85.14th | v1 |
| Sep 1, 2021 | 8.22% (0.08219) | 92.75th | v1 |
| Apr 14, 2021 | 8.22% (0.08219) | 0.00th | v1 |
References (7)
- http://www.securityfocus.com/bid/105223 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-8409 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1626263 Issue Tracking
- https://github.com/advisories/GHSA-j378-6mmw-hqfr Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-8409
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409 x_refsource_CONFIRMPatchVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-8409
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105223 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-8409 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1626263 | Issue Tracking | |
| https://github.com/advisories/GHSA-j378-6mmw-hqfr | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-8409 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-8409 |
Change history (0)
No recorded changes yet.