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TI-2022-04541 Aliases CVE-2022-4952GHSA-g656-2879-jqrc

Uncontrolled resource consumption in OmniSharp csharp-language-server-protocol

Priority LOW 35CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.00886 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
OmniSharpcsharp-language-server-protocol0.19.0; 0.19.1; 0.19.2; 0.19.3; 0.19.4; 0.19.5; 0.19.6—No fix listedCNA
  • csharp-language-server-protocol VendorOmniSharp Affected 0.19.0; 0.19.1; 0.19.2; 0.19.3; 0.19.4; 0.19.5; 0.19.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dotnetfoundation:c\#_language_server_protocol:*:*:*:*:*:*:*:*before 0.19.7VulnerableDotnetfoundation
  • cpe:2.3:a:dotnetfoundation:c\#_language_server_protocol:*:*:*:*:*:*:*:* Versions before 0.19.7 Vulnerable ·Dotnetfoundation

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4952
  2. 2026-10-03 Alias added: GHSA-g656-2879-jqrc

References

Sources