Independent & educational platform Not a government body. No link or affiliation with any government organisation. Made for learning only. Test only systems you own or are authorised to test. Become a Partner or Sponsor → Full disclaimer

CVE-2022-4952

high

A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic.

Vendor / product: Dotnetfoundation — c\# language server protocol

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.

CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-07-17 02:15
Modified: 2026-11-10 12:10
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-10 12:40 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

dotnetfoundation / c\#_language_server_protocol <0.19.7

Weakness classification (CWE)

CWE-400 NVD-CWE-noinfo

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://github.com/OmniSharp/csharp-language-server-protocol/commit/7fd2219f194a9ef2a8901bb131c5fa12272305ce
Patch / mitigation: https://github.com/OmniSharp/csharp-language-server-protocol/pull/902
Patch / mitigation: https://github.com/OmniSharp/csharp-language-server-protocol/commit/7fd2219f194a9ef2a8901bb131c5fa12272305ce
Patch / mitigation: https://github.com/OmniSharp/csharp-language-server-protocol/pull/902

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-10 12:40 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores

Related CVEs