CVE-2024-21404
dotnet: Denial of Service in X509Certificate2
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 13, 2024
Updated · August 14, 2026
Description
A denial of service vulnerability exists in .NET applications with OpenSSL support when parsing X509 certificates. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input.
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-400 · Uncontrolled Resource Consumption