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USN-6438-1 Not scored

dotnet6, dotnet7 vulnerabilities

Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799) It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487)

Exploit probability Not scored
Published October 19, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:23.10 dotnet6

7 explicit affected versions

Ubuntu:23.10 dotnet7

7 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-6438-1

Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799) It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487)

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05 / REFERENCES

Further evidence