CVE-2023-21538

dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · January 10, 2023

Updated · November 22, 2025

Description

A vulnerability was found in dotnet. This flaw occurs when parsing an empty HTTP response as a JSON.NET JObject that causes a stack overflow and crashes a process.

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 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-121 · Stack-based Buffer Overflow