CVE-2022-4952

OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption

HIGH
7.5
CVSS Score
Published: July 17, 2023 at 02:00 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
2 products affected across 2 vendorsC # Language Server ProtocolC Language Server Protocol

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component JSON Serializer. The manipulation leads to resource consumption. Upgrading to version 0.19.7 is able to address this issue. The patch is identified as 7fd2219f194a9ef2a8901bb131c5fa12272305ce. It is recommended to upgrade the affected component. VDB-234238 is the identifier assigned to this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.19.7
Affected range stops below 0.19.7, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400NVD-CWE-noinfo

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