Linux · 
Red Hat · Security advisory · June 24, 2026
Red Hat · Security advisory · June 24, 2026RHSA-2026:28143: Security update for 18 packages
RHSA-2026:28143, released June 24, 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
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0101
63rd percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 7
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| pg_repack | RHEL 8 | 0:1.5.1-1.module+el8.10.0+22551+c0330dc9 |
| pgaudit | RHEL 8 | 0:16.0-1.module+el8.10.0+20413+d8116364 |
| postgres-decoderbufs | RHEL 8 | 0:2.4.0-1.Final.module+el8.10.0+20413+d8116364 |
| postgresql | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-contrib | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-docs | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-plperl | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-plpython3 | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-pltcl | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-private-devel | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-private-libs | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-server | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-server-devel | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-static | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-test | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-test-rpm-macros | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-upgrade | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
| postgresql-upgrade-devel | RHEL 8 | 0:16.14-1.module+el8.10.0+24339+d919fb58 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| 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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