RHSA-2026:21333MediumCVSS 7.8

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

Published
May 27, 2026
Last Modified
August 26, 2026

🔗 CVE IDs covered (3)

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

📋 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

🎯 Affected products4

  • Red Hat Hardened Images
  • libsolv-main@aarch64 as a component of Red Hat Hardened Images
  • libsolv-main@src as a component of Red Hat Hardened Images
  • libsolv-main@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: To mitigate this issue, avoid processing untrusted `.solv` files with libsolv or any applications that consume `.solv` input. Ensure that all `.solv` data processed by the system originates from trusted sources only. Workaround: To mitigate this issue, ensure that libsolv only processes trusted and cryptographically signed Debian repository metadata. Avoid ingesting or processing `Packages` files from untrusted or unverified sources. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (7)