CVE-2021-1721

dotnet: certificate chain building recursion Denial of Service

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Severity

Important

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · February 10, 2021

Updated · June 28, 2026

Description

A flaw was found in dotnet. A recursion error when building X.509 certificate chains can lead to a stack overflow which could crash the system. The highest threat from this vulnerability is to system availability.

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 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-674 · Uncontrolled Recursion