CVE-2022-29117
dotnet: malicious content causes high CPU and memory usage
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 10, 2022
Updated · November 21, 2025
Description
A flaw was found in dotnet. The Microsoft Security Advisory describes the issue of a malicious client that can send MyCookie=chunks-2147483647 without the actual cookie chunks, causing large allocations, exceptions, and excess CPU utilization on the server when it tries to read or delete that many chunks.
Statement
Affected .NET versions: 6.0, 5.0, 3.1.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-565 · Reliance on Cookies without Validation and Integrity Checking