RLSA-2026:27741
RLSA-2026:27741 · Important: postgresql security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind (CVE-2026-6475) * postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory (CVE-2026-6477) * postgresql: PostgreSQL: Credential recovery via covert timing channel in MD5 password comparison (CVE-2026-6478) * postgresql: integer overflow can cause an undersized allocation and an out-of-bounds write (CVE-2026-6473) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
CVSS 8.8 · High · Fix available
- Published
- Updated
Affected products and versions
postgresql Rocky Linux:9
- Affected ranges
- ECOSYSTEM: < 0:13.23-3.el9_8
Update to 0:13.23-3.el9_8
Original sources
- https://errata.rockylinux.org/RLSA-2026:27741
- https://bugzilla.redhat.com/show_bug.cgi?id=2477439
- https://bugzilla.redhat.com/show_bug.cgi?id=2477442
- https://bugzilla.redhat.com/show_bug.cgi?id=2477443
- https://bugzilla.redhat.com/show_bug.cgi?id=2477447
- https://bugzilla.redhat.com/show_bug.cgi?id=2477448
- https://osv.dev/vulnerability/RLSA-2026:27741