What is RHSA-2026:21754?

RHSA-2026:21754 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: .NET 9.0 security update

Which CVE IDs does RHSA-2026:21754 cover?

RHSA-2026:21754 covers the following CVE IDs: CVE-2026-42899. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

RHSA-2026:21754 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:21754HighCVSS 7.5

Vendor

Published

May 28, 2026

Last Modified

June 1, 2026

CVE-2026-42899 — dotnet: .NET: infinite loop allows an attacker to cause a denial of service