Remote Denial of Service Vulnerability

High

nibanks published GHSA-2x7m-gf85-3745

Mar 12, 2024

Package

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

Affected versions

< 2.3.5

Patched versions

2.3.5,2.2.7,2.1.12

Microsoft.Native.Quic.MsQuic.Schannel (NuGet)

< 2.3.5

2.3.5,2.2.7,2.1.12

libmsquic (package.microsoft.com)

< 2.3.5

2.3.5,2.2.7,2.1.12

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:

Fix Memory Leak from Multiple Decodes of TP - 5d070d6

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

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