Skip to content
OpenAdvisories
High RLSA-2026:67848 20 CVEs

Important: postgresql:18 security update

Published Sep 16, 2026 · Updated Sep 16, 2026

Summary

PostgreSQL is an advanced object-relational database management system (DBMS).

Security Fix(es):

* postgresql: PostgreSQL: SQL injection in pg_createsubscriber allows arbitrary SQL execution as superuser (CVE-2026-6476)

* postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions (CVE-2026-14662)

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

* postgresql: PostgreSQL psql: Arbitrary command execution via untrusted data in COPY FROM STDIN (CVE-2026-6464)

* postgresql: PostgreSQL: Arbitrary code execution via logical decoding plugin (CVE-2026-6471)

* postgresql: PostgreSQL: Arbitrary code execution via type confusion with "internal" arguments (CVE-2026-14680)

* postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp (CVE-2026-14664)

* postgresql: pltcl: plperl: PostgreSQL: Arbitrary code execution in 32-bit pltcl and plperl (CVE-2026-14677)

* postgresql-fuzzystrmatch: PostgreSQL fuzzystrmatch: Arbitrary code execution via integer wraparound (CVE-2026-15742)

* postgresql: PostgreSQL: Arbitrary code execution via type confusion in cursor lifecycle (CVE-2026-16239)

* postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation (CVE-2026-14669)

* postgresql: PostgreSQL: Arbitrary code execution via type confusion in pg_restore_attribute_stats() (CVE-2026-16238)

* postgresql: PostgreSQL: Stack buffer overflow via OUT parameter count manipulation (CVE-2026-14679)

* postgresql: PostgreSQL: Arbitrary code execution via type confusion in 'refint' module (CVE-2026-14671)

* postgresql: PostgreSQL pg_stat_statements: Arbitrary code execution via heap buffer overflow (CVE-2026-14676)

* postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow (CVE-2026-14670)

* postgresql: PostgreSQL: Information disclosure via type confusion in ctid selectivity estimator (CVE-2026-14668)

* postgresql: PostgreSQL pg_dump: Arbitrary code execution via crafted transform lists (CVE-2026-19385)

* postgresql: PostgreSQL: Privilege escalation via SQL injection in EXTRACT() deparse (CVE-2026-15741)

* postgis: PostGIS: Memory Disclosure and Denial of Service via Malformed FlatGeobuf Buffer (CVE-2026-73515)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 8

ReleasePackageFixed in
Rocky Linux · 9 pg_repack 0:1.5.3-1.module+el9.8.0+40213+f1e225a4
Rocky Linux · 9 pg_repack 0:1.5.3-1.module+el9.8.0+40158+490b3c67
Rocky Linux · 9 pgaudit 0:18.0-1.module+el9.8.0+40158+490b3c67
Rocky Linux · 9 pgaudit 0:18.0-1.module+el9.8.0+40213+f1e225a4
Rocky Linux · 9 pgvector 0:0.8.1-1.module+el9.8.0+40158+490b3c67
Rocky Linux · 9 pgvector 0:0.8.1-1.module+el9.8.0+40213+f1e225a4
Rocky Linux · 9 postgres-decoderbufs 0:3.3.1-1.Final.module+el9.8.0+40213+f1e225a4
Rocky Linux · 9 postgres-decoderbufs 0:3.3.1-1.Final.module+el9.8.0+40158+490b3c67

Vulnerabilities 20

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2477437
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515302
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515303
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515306
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515307
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515308
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515311
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515313
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515314
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515316
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515317
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515319
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515321
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515322
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515324
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515325
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515326
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515328
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515332
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2515434
  • advisory
    https://access.redhat.com/errata/RHSA-2026:67848