Linux · Security advisory · June 23, 2026

ALSA-2026:28143: Security update for 18 packages

ALSA-2026:28143, released June 23, 2026, fixes 9 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0101
63rd percentile

Priority of the 9 CVEs

Patch now 0 Urgent 0 High 7 Routine 2

Fixed package versions

ProductReleaseFixed in
pg_repackalmalinux 81.5.1-1.module_el8.10.0+4199+bf03c564
pgauditalmalinux 816.0-1.module_el8.10.0+3798+606ebb9f
postgres-decoderbufsalmalinux 82.4.0-1.Final.module_el8.10.0+3798+606ebb9f
postgresqlalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-contribalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-docsalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-plperlalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-plpython3almalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-pltclalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-private-develalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-private-libsalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-serveralmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-server-develalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-staticalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-testalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-test-rpm-macrosalmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-upgradealmalinux 816.14-1.module_el8.10.0+4199+bf03c564
postgresql-upgrade-develalmalinux 816.14-1.module_el8.10.0+4199+bf03c564

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-6473 PostgreSQL server undersizes allocations, via integer wraparound 8.8 0.0101 None reported
High CVE-2026-6479 PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion 7.5 0.0060 None reported
High CVE-2026-6478 PostgreSQL discloses MD5-hashed passwords via covert timing channel 8.8 0.0056 None reported
High CVE-2026-6477 PostgreSQL libpq lo_* functions let server superuser overwrite client stack memory 8.8 0.0045 None reported
High CVE-2026-6475 PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser choice 8.8 0.0041 None reported
High CVE-2026-6637 PostgreSQL refint allows stack buffer overflow and SQL injection 8.8 0.0037 None reported
High CVE-2026-6638 PostgreSQL REFRESH PUBLICATION allows SQL injection via table name 8.8 0.0018 None reported
Routine CVE-2026-6474 PostgreSQL timeofday() can disclose portions of server memory 4.3 0.0021 None reported
Routine CVE-2026-6472 PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege 5.4 0.0016 None reported
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