What is RHSA-2026:33551?

RHSA-2026:33551 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Which CVE IDs does RHSA-2026:33551 cover?

RHSA-2026:33551 covers the following CVE IDs: CVE-2026-42246, CVE-2026-42256, CVE-2026-47241, CVE-2026-42245. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:33551?

RHSA-2026:33551 has a CVSS v3 base score of 7.4, published by Red Hat Product Security.

RHSA-2026:33551HighCVSS 7.4

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Vendor

Red Hat Product Security

Published

June 30, 2026

Last Modified

July 6, 2026

🔗 CVE IDs covered (4)

CVE-2026-42246 →CVE-2026-42256 →CVE-2026-47241 →CVE-2026-42245 →

📋 Description

CVE-2026-42245 — ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42246 — net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS CVE-2026-42256 — ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication CVE-2026-47241 — net-imap: rubygem-net-imap: Net::IMAP: Denial of Service via malformed command input

🔗 References (10)

selfhttps://access.redhat.com/errata/RHSA-2026:33551
externalhttps://access.redhat.com/security/cve/CVE-2026-42245
externalhttps://access.redhat.com/security/cve/CVE-2026-42246
externalhttps://access.redhat.com/security/cve/CVE-2026-42256
externalhttps://access.redhat.com/security/cve/CVE-2026-47240
externalhttps://access.redhat.com/security/cve/CVE-2026-47242
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://images.redhat.com/
externalhttps://access.redhat.com/security/cve/CVE-2026-47241
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_33551.json