Linux · 
Rocky Linux · Security advisory · June 24, 2026
Rocky Linux · Security advisory · June 24, 2026RLSA-2026:27743: postgresql16 security update
RLSA-2026:27743, released June 24, 2026, fixes 4 CVEs in postgresql16 (version 0:16.14-1.el10_2). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
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 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| postgresql16 | rocky 10 | 0:16.14-1.el10_2 |
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-2026-6478 | 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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