GHSA-2x7m-gf85-3745
Remote Denial of Service Vulnerability in Microsoft QUIC
Impact
The MsQuic server will continue to leak memory until no more is available, resulting in a denial of service.
Patches
The following patch was made:
- Fix Memory Leak from Multiple Decodes of TP - https://github.com/microsoft/msquic/commit/5d070d661c45979946615289e92bb6b822efe9e9
Workarounds
Beyond upgrading to the patched versions, there is no other workaround.
MSRC CVE Info
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26190
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
What each source reports
GitHub Advisories Score used
Remote Denial of Service Vulnerability in Microsoft QUIC
Impact
The MsQuic server will continue to leak memory until no more is available, resulting in a denial of service.
Patches
The following patch was made:
- Fix Memory Leak from Multiple Decodes of TP - https://github.com/microsoft/msquic/commit/5d070d661c45979946615289e92bb6b822efe9e9
Workarounds
Beyond upgrading to the patched versions, there is no other workaround.
MSRC CVE Info
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26190
- Record
GHSA-2x7m-gf85-3745- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
OSV
Remote Denial of Service Vulnerability in Microsoft QUIC
Impact
The MsQuic server will continue to leak memory until no more is available, resulting in a denial of service.
Patches
The following patch was made:
- Fix Memory Leak from Multiple Decodes of TP - https://github.com/microsoft/msquic/commit/5d070d661c45979946615289e92bb6b822efe9e9
Workarounds
Beyond upgrading to the patched versions, there is no other workaround.
MSRC CVE Info
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26190
- Record
GHSA-2x7m-gf85-3745- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.Native.Quic.MsQuic.OpenSSLNuGet | before 2.1.12 | 2.1.12 |
Microsoft.Native.Quic.MsQuic.SchannelNuGet | 2.2.0 up to 2.2.7 | 2.2.7 |
Microsoft.Native.Quic.MsQuic.SchannelNuGet | 2.3.0 up to 2.3.5 | 2.3.5 |
Microsoft.Native.Quic.MsQuic.SchannelNuGet | before 2.1.12 | 2.1.12 |
Microsoft.Native.Quic.MsQuic.OpenSSLNuGet | 2.2.0 up to 2.2.7 | 2.2.7 |
Microsoft.Native.Quic.MsQuic.OpenSSLNuGet | 2.3.0 up to 2.3.5 | 2.3.5 |
Microsoft.Native.Quic.MsQuic.OpenSSLNuGet | before 2.1.12, plus listed versions 1.8.0 | 2.1.12 |
Microsoft.Native.Quic.MsQuic.SchannelNuGet | before 2.1.12, plus listed versions 1.8.0 | 2.1.12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-2x7m-gf85-3745 is a high vulnerability (CVSS 7.5) in Microsoft.Native.Quic.MsQuic.OpenSSL, published March 13, 2024. No source lists public exploit code. Fixed in Microsoft.Native.Quic.MsQuic.OpenSSL 2.1.12.
References
github.com/microsoft/msquic/security/advisories/GHSA-2x7m-gf85-3745
msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26190