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Remote Denial of Service Vulnerability in Microsoft QUIC

High severity GitHub Reviewed Published Mar 12, 2024 in microsoft/msquic • Updated Mar 13, 2024

Package

nuget Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet)

Affected versions

< 2.1.12
>= 2.2.0, < 2.2.7
>= 2.3.0, < 2.3.5

Patched versions

2.1.12
2.2.7
2.3.5
nuget Microsoft.Native.Quic.MsQuic.Schannel (NuGet)
>= 2.2.0, < 2.2.7
>= 2.3.0, < 2.3.5
< 2.1.12
2.2.7
2.3.5
2.1.12

Description

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:

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

References

@nibanks nibanks published to microsoft/msquic Mar 12, 2024
Published to the GitHub Advisory Database Mar 13, 2024
Reviewed Mar 13, 2024
Last updated Mar 13, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

No known CVE

GHSA ID

GHSA-2x7m-gf85-3745

Source code

Checking history
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