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OpenAdvisories
High ALSA-2026:67848 20 CVEs

Important: postgresql:18 security update

Published Sep 16, 2026 · Updated Oct 29, 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 24

ReleasePackageFixed in
AlmaLinux · 9 pg_repack 1.5.3-1.module_el9.8.0+234+5456f35d
AlmaLinux · 9 pgaudit 18.0-1.module_el9.8.0+234+5456f35d
AlmaLinux · 9 pgvector 0.8.1-1.module_el9.8.0+234+5456f35d
AlmaLinux · 9 postgis 3.6.1-4.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgis-client 3.6.1-4.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgis-docs 3.6.1-4.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgis-upgrade 3.6.1-4.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgis-utils 3.6.1-4.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgres-decoderbufs 3.3.1-1.Final.module_el9.8.0+234+5456f35d
AlmaLinux · 9 postgresql 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-contrib 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-docs 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-plperl 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-plpython3 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-pltcl 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-private-devel 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-private-libs 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-server 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-server-devel 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-static 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-test 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-test-rpm-macros 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-upgrade 18.6-1.module_el9.8.0+310+22372bcc
AlmaLinux · 9 postgresql-upgrade-devel 18.6-1.module_el9.8.0+310+22372bcc

Vulnerabilities 20

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-14662
  • report
    https://access.redhat.com/security/cve/CVE-2026-14664
  • report
    https://access.redhat.com/security/cve/CVE-2026-14668
  • report
    https://access.redhat.com/security/cve/CVE-2026-14669
  • report
    https://access.redhat.com/security/cve/CVE-2026-14670
  • report
    https://access.redhat.com/security/cve/CVE-2026-14671
  • report
    https://access.redhat.com/security/cve/CVE-2026-14676
  • report
    https://access.redhat.com/security/cve/CVE-2026-14677
  • report
    https://access.redhat.com/security/cve/CVE-2026-14679
  • report
    https://access.redhat.com/security/cve/CVE-2026-14680
  • report
    https://access.redhat.com/security/cve/CVE-2026-15741
  • report
    https://access.redhat.com/security/cve/CVE-2026-15742
  • report
    https://access.redhat.com/security/cve/CVE-2026-16238
  • report
    https://access.redhat.com/security/cve/CVE-2026-16239
  • report
    https://access.redhat.com/security/cve/CVE-2026-18408
  • report
    https://access.redhat.com/security/cve/CVE-2026-19385
  • report
    https://access.redhat.com/security/cve/CVE-2026-6464
  • report
    https://access.redhat.com/security/cve/CVE-2026-6471
  • report
    https://access.redhat.com/security/cve/CVE-2026-6476
  • report
    https://access.redhat.com/security/cve/CVE-2026-73515
  • report
    https://bugzilla.redhat.com/2477437
  • report
    https://bugzilla.redhat.com/2515302
  • report
    https://bugzilla.redhat.com/2515303
  • report
    https://bugzilla.redhat.com/2515306
  • report
    https://bugzilla.redhat.com/2515307
  • report
    https://bugzilla.redhat.com/2515308
  • report
    https://bugzilla.redhat.com/2515311
  • report
    https://bugzilla.redhat.com/2515313
  • report
    https://bugzilla.redhat.com/2515314
  • report
    https://bugzilla.redhat.com/2515316
  • report
    https://bugzilla.redhat.com/2515317
  • report
    https://bugzilla.redhat.com/2515319
  • report
    https://bugzilla.redhat.com/2515321
  • report
    https://bugzilla.redhat.com/2515322
  • report
    https://bugzilla.redhat.com/2515324
  • report
    https://bugzilla.redhat.com/2515325
  • report
    https://bugzilla.redhat.com/2515326
  • report
    https://bugzilla.redhat.com/2515328
  • report
    https://bugzilla.redhat.com/2515332