What is RHSA-2026:21333?

RHSA-2026:21333 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-2026:21333 cover?

RHSA-2026:21333 covers the following CVE IDs: CVE-2026-9150, CVE-2026-48864, CVE-2026-9149. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:21333?

RHSA-2026:21333 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

RHSA-2026:21333MediumCVSS 7.8

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

Vendor

Red Hat Product Security

Published

May 27, 2026

Last Modified

July 2, 2026

🔗 CVE IDs covered (3)

CVE-2026-9150 →CVE-2026-48864 →CVE-2026-9149 →

📋 Description

CVE-2026-9149 — libsolv: Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file CVE-2026-9150 — libsolv: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512 checksums CVE-2026-48864 — libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:21333
externalhttps://images.redhat.com/
externalhttps://access.redhat.com/security/cve/CVE-2026-48864
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://access.redhat.com/security/cve/CVE-2026-9149
externalhttps://access.redhat.com/security/cve/CVE-2026-9150
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21333.json