Linux · Amazon Linux · Security advisory · June 8, 2026

ALAS2023-2026-1780: Security update for 30 packages

ALAS2023-2026-1780, released June 8, 2026, fixes 11 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
11
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 11 CVEs

Patch now 0 Urgent 0 High 8 Routine 3

Fixed package versions

ProductReleaseFixed in
postgresql18amzn 202318.4-1.amzn2023.0.1
postgresql18-contribamzn 202318.4-1.amzn2023.0.1
postgresql18-contrib-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-debugsourceamzn 202318.4-1.amzn2023.0.1
postgresql18-docsamzn 202318.4-1.amzn2023.0.1
postgresql18-docs-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-llvmjitamzn 202318.4-1.amzn2023.0.1
postgresql18-llvmjit-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-plperlamzn 202318.4-1.amzn2023.0.1
postgresql18-plperl-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-plpython3amzn 202318.4-1.amzn2023.0.1
postgresql18-plpython3-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-pltclamzn 202318.4-1.amzn2023.0.1
postgresql18-pltcl-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-private-develamzn 202318.4-1.amzn2023.0.1
postgresql18-private-libsamzn 202318.4-1.amzn2023.0.1
postgresql18-private-libs-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-serveramzn 202318.4-1.amzn2023.0.1
postgresql18-server-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-server-develamzn 202318.4-1.amzn2023.0.1
postgresql18-server-devel-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-staticamzn 202318.4-1.amzn2023.0.1
postgresql18-testamzn 202318.4-1.amzn2023.0.1
postgresql18-test-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-test-rpm-macrosamzn 202318.4-1.amzn2023.0.1
postgresql18-upgradeamzn 202318.4-1.amzn2023.0.1
postgresql18-upgrade-debuginfoamzn 202318.4-1.amzn2023.0.1
postgresql18-upgrade-develamzn 202318.4-1.amzn2023.0.1
postgresql18-upgrade-devel-debuginfoamzn 202318.4-1.amzn2023.0.1

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-2026-6476 pgaudit: PostgreSQL is an advanced object-relational database management system (DBMS)8.8 0.0029 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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