RHSA-2026:8756HighCVSS 8.8

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

Published
April 17, 2026
Last Modified
August 23, 2026

🔗 CVE IDs covered (8)

CVE-2026-2003 →CVE-2026-2004 →CVE-2026-2005 →CVE-2026-2006 →CVE-2026-2007 →CVE-2010-1975 →CVE-2025-12817 →CVE-2025-12818 →

📋 Description

CVE-2010-1975 — postgresql: improper privilege check during certain RESET ALL operations CVE-2025-12817 — postgresql: CREATE STATISTICS does not check for schema CREATE privilege CVE-2025-12818 — postgresql: libpq: libpq undersizes allocations, via integer wraparound CVE-2026-2003 — postgresql: PostgreSQL oidvector discloses a few bytes of memory CVE-2026-2004 — postgresql: PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code CVE-2026-2005 — postgresql: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code CVE-2026-2006 — postgresql: PostgreSQL missing validation of multibyte character length executes arbitrary code CVE-2026-2007 — postgresql: PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory

🎯 Affected products5

  • Red Hat Hardened Images
  • postgresql18-main@aarch64 as a component of Red Hat Hardened Images
  • postgresql18-main@noarch as a component of Red Hat Hardened Images
  • postgresql18-main@src as a component of Red Hat Hardened Images
  • postgresql18-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: 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. Workaround: No mitigation is currently available that meets Red Hat Product Security’s standards for usability, deployment, applicability, or stability.

🔗 References (12)