What is RHSA-2025:21892?

RHSA-2025:21892 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: Submariner v0.21 security fixes and container updates

Which CVE IDs does RHSA-2025:21892 cover?

RHSA-2025:21892 covers the following CVE IDs: CVE-2025-47950, CVE-2025-59530. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:21892?

RHSA-2025:21892 has a CVSS v3 base score of 5.3, published by Red Hat Product Security.

RHSA-2025:21892MediumCVSS 5.3

Red Hat Security Advisory: Submariner v0.21 security fixes and container updates

Vendor

Red Hat Product Security

Published

November 20, 2025

Last Modified

June 28, 2026

🔗 CVE IDs covered (2)

CVE-2025-47950 →CVE-2025-59530 →

📋 Description

CVE-2025-47950 — coredns: CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification CVE-2025-59530 — github.com/quic-go/quic-go: quic-go Crash Due to Premature HANDSHAKE_DONE Frame

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2025:21892
externalhttps://access.redhat.com/security/cve/CVE-2025-47950
externalhttps://access.redhat.com/security/cve/CVE-2025-59530
externalhttps://access.redhat.com/security/updates/classification/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21892.json