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OpenAdvisories
High RHSA-2026:85814 1 CVE

Red Hat Security Advisory: postgresql:18 security update

Published Oct 20, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 49

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream pg_repack 0:1.5.3-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pg_repack-debuginfo 0:1.5.3-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pg_repack-debugsource 0:1.5.3-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pgaudit 0:18.0-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pgaudit-debuginfo 0:18.0-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pgaudit-debugsource 0:18.0-1.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream pgvector 0:0.8.7-1.module+el9.8.0+25065+515b563e
Red Hat · RHEL 9 enterprise_linux:9::appstream pgvector-debuginfo 0:0.8.7-1.module+el9.8.0+25065+515b563e
Red Hat · RHEL 9 enterprise_linux:9::appstream pgvector-debugsource 0:0.8.7-1.module+el9.8.0+25065+515b563e
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-client 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-client-debuginfo 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-debuginfo 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-debugsource 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-docs 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-upgrade 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-upgrade-debuginfo 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgis-utils 0:3.6.1-4.module+el9.8.0+24879+1364ef12
Red Hat · RHEL 9 enterprise_linux:9::appstream postgres-decoderbufs 0:3.3.1-1.Final.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream postgres-decoderbufs-debuginfo 0:3.3.1-1.Final.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream postgres-decoderbufs-debugsource 0:3.3.1-1.Final.module+el9.8.0+23739+1c42644c
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-contrib 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-contrib-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-debugsource 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-docs 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-docs-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-plperl 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-plperl-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-plpython3 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-plpython3-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-pltcl 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-pltcl-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-private-devel 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-private-libs 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-private-libs-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-server 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-server-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-server-devel 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-server-devel-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-static 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-test 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-test-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-test-rpm-macros 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-upgrade 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-upgrade-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-upgrade-devel 0:18.6-1.module+el9.8.0+24816+5c11f535
Red Hat · RHEL 9 enterprise_linux:9::appstream postgresql-upgrade-devel-debuginfo 0:18.6-1.module+el9.8.0+24816+5c11f535

Vulnerabilities 1

  • High 8.8
    CVE-2026-103484

    pgvector buffer overflow in IVFFlat index build

    IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution.

    pgvector pgvector Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2544842
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_85814.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-103484
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-103484
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-103484
  • article
    https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156
  • article
    https://github.com/pgvector/pgvector/issues/1036