Linux · Security advisory · July 17, 2026

ELSA-2026-27743: Security update for 15 packages

ELSA-2026-27743, released July 17, 2026, fixes 4 CVEs across 15 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0101
63rd percentile

Priority of the 4 CVEs

Patch now 0 Urgent 0 High 4 Routine 0

Fixed package versions

ProductReleaseFixed in
postgresqlol 100:16.14-1.0.1.el10_2
postgresql-contribol 100:16.14-1.0.1.el10_2
postgresql-docsol 100:16.14-1.0.1.el10_2
postgresql-plperlol 100:16.14-1.0.1.el10_2
postgresql-plpython3ol 100:16.14-1.0.1.el10_2
postgresql-pltclol 100:16.14-1.0.1.el10_2
postgresql-private-develol 100:16.14-1.0.1.el10_2
postgresql-private-libsol 100:16.14-1.0.1.el10_2
postgresql-serverol 100:16.14-1.0.1.el10_2
postgresql-server-develol 100:16.14-1.0.1.el10_2
postgresql-staticol 100:16.14-1.0.1.el10_2
postgresql-testol 100:16.14-1.0.1.el10_2
postgresql-test-rpm-macrosol 100:16.14-1.0.1.el10_2
postgresql-upgradeol 100:16.14-1.0.1.el10_2
postgresql-upgrade-develol 100:16.14-1.0.1.el10_2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-6473 PostgreSQL server undersizes allocations, via integer wraparound 8.8 0.0101 None reported
High CVE-2026-6478 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
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