RHSA-2026:79028HighCVSS 8.4

Red Hat Security Advisory: postgresql:12 security update

Published
October 8, 2026
Last Modified
October 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-18408 →

📋 Description

CVE-2026-18408 — postgresql: PostgreSQL: Arbitrary code execution via untrusted data inclusion in pg_dump

🎯 Affected products160

  • Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.aarch64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.ppc64le (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.s390x (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.src (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.src (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • pgaudit-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.aarch64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.ppc64le (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.s390x (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • pgaudit-debuginfo-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.aarch64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.ppc64le (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.s390x (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • pgaudit-debugsource-0:1.4.0-6.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.aarch64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.ppc64le (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.s390x (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.src (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.src (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • postgres-decoderbufs-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-debuginfo-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.aarch64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-debuginfo-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.ppc64le (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-debuginfo-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.s390x (postgresql:12) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
  • postgres-decoderbufs-debuginfo-0:0.10.0-2.module+el8.4.0+11288+c193d6d7.x86_64 (postgresql:12) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.4)
  • +130 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this vulnerability, administrators should avoid generating or restoring pg_dump files from untrusted or public origin servers using the psql client. If restoring a plain-format dump from an unverified source is strictly necessary, manually inspect the file for unauthorized \restrict or \unrestrict meta-commands before execution, or isolate the restore process in a sandboxed environment

🔗 References (4)