Linux · Security advisory · July 17, 2026
ELSA-2026-27742: Security update for 14 packages
ELSA-2026-27742, released July 17, 2026, fixes 11 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
11
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0101
63rd percentile
Priority of the 11 CVEs
Patch now 0
Urgent 0
High 8
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| postgresql18 | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-contrib | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-docs | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-plperl | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-plpython3 | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-private-devel | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-private-libs | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-server | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-server-devel | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-static | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-test | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-test-rpm-macros | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-upgrade | ol 10 | 0:18.4-1.0.1.el10_2 |
| postgresql18-upgrade-devel | ol 10 | 0:18.4-1.0.1.el10_2 |
CVEs this fix closes
| Priority | CVE | Title | Impact | 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-2026-6476 | 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 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-2026-6575 | 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 privilege | 5.4 | 0.0016 | None reported |
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