Linux · Red Hat · Security advisory · June 24, 2026

RHSA-2026:26204: Security update for 24 packages

RHSA-2026:26204, released June 24, 2026, fixes 10 CVEs across 24 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
10
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0101
63rd percentile

Priority of the 10 CVEs

Patch now 0 Urgent 0 High 7 Routine 3

Fixed package versions

ProductReleaseFixed in
pg_repackRHEL 90:1.5.3-1.module+el9.8.0+23739+1c42644c
pgauditRHEL 90:18.0-1.module+el9.8.0+23739+1c42644c
pgvectorRHEL 90:0.8.1-1.module+el9.8.0+23739+1c42644c
postgisRHEL 90:3.6.1-2.module+el9.8.0+23739+1c42644c
postgis-clientRHEL 90:3.6.1-2.module+el9.8.0+23739+1c42644c
postgis-docsRHEL 90:3.6.1-2.module+el9.8.0+23739+1c42644c
postgis-upgradeRHEL 90:3.6.1-2.module+el9.8.0+23739+1c42644c
postgis-utilsRHEL 90:3.6.1-2.module+el9.8.0+23739+1c42644c
postgres-decoderbufsRHEL 90:3.3.1-1.Final.module+el9.8.0+23739+1c42644c
postgresqlRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-contribRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-docsRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-plperlRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-plpython3RHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-pltclRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-private-develRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-private-libsRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-serverRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-server-develRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-staticRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-testRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-test-rpm-macrosRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-upgradeRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50
postgresql-upgrade-develRHEL 90:18.4-2.module+el9.8.0+24359+da7fad50

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-6473 PostgreSQL server undersizes allocations, via integer wraparound8.8 0.0101 None reported
High CVE-2026-6479 PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion7.5 0.0060 None reported
High CVE-2026-6478 PostgreSQL discloses MD5-hashed passwords via covert timing channel8.8 0.0056 None reported
High CVE-2026-6477 PostgreSQL libpq lo_* functions let server superuser overwrite client stack memory8.8 0.0045 None reported
High CVE-2026-6475 PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice8.8 0.0041 None reported
High CVE-2026-6637 PostgreSQL refint allows stack buffer overflow and SQL injection8.8 0.0037 None reported
High CVE-2026-6638 PostgreSQL REFRESH PUBLICATION allows SQL injection via table name8.8 0.0018 None reported
Routine CVE-2026-6474 PostgreSQL timeofday() can disclose portions of server memory4.3 0.0021 None reported
Routine CVE-2026-6575 pgaudit: PostgreSQL is an advanced object-relational database management system (DBMS)4.3 0.0021 None reported
Routine CVE-2026-6472 PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege5.4 0.0016 None reported
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