What is RHSA-2026:8466?

RHSA-2026:8466 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Which CVE IDs does RHSA-2026:8466 cover?

RHSA-2026:8466 covers the following CVE IDs: CVE-2026-41989, CVE-2026-41990. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:8466?

RHSA-2026:8466 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:8466MediumCVSS 7.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Vendor

Red Hat Product Security

Published

April 16, 2026

Last Modified

June 28, 2026

🔗 CVE IDs covered (2)

CVE-2026-41989 →CVE-2026-41990 →

📋 Description

CVE-2026-41989 — Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext CVE-2026-41990 — Libgcrypt: Libgcrypt: Denial of Service or data integrity issues from missing bounds check during Dilithium signing.

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:8466
externalhttps://images.redhat.com/
externalhttps://access.redhat.com/security/cve/CVE-2026-41989
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://access.redhat.com/security/cve/CVE-2026-41990
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_8466.json