RLSA-2026:27738
- Source
- https://errata.rockylinux.org/RLSA-2026:27738
- Import Source
- https://storage.googleapis.com/resf-osv-data/RLSA-2026:27738.json
- JSON Data
- https://api.osv.dev/v1/vulns/RLSA-2026:27738
- Upstream
- Published
- 2026-06-24T12:01:04.194583Z
- Modified
- 2026-06-24T12:30:04.032490537Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Important: libpq security update
- Details
-
The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.
Security Fix(es):
postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind (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.
- References
- Credits
-
-
- Rocky Enterprise Software Foundation
-
- Red Hat
-
Affected packages
Rocky Linux:8 / libpq
Package
- Name
- libpq
- Purl
- pkg:rpm/rocky-linux/libpq?distro=rocky-linux-8&epoch=0