What is RHSA-2026:33840?

RHSA-2026:33840 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-2026:33840 cover?

RHSA-2026:33840 covers the following CVE IDs: CVE-2026-11979. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:33840?

RHSA-2026:33840 has a CVSS v3 base score of 4.8, published by Red Hat Product Security.

RHSA-2026:33840HighCVSS 4.8

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

Vendor

Red Hat Product Security

Published

June 30, 2026

Last Modified

July 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-11979 →

📋 Description

CVE-2026-11979 — libxml2: libxml2: Arbitrary code execution in xmlcatalog utility via buffer overflow

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:33840
externalhttps://access.redhat.com/security/cve/CVE-2026-11979
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://images.redhat.com/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_33840.json