JVN#22475874
Multiple vulnerabilities in Pgpool-II

Overview

Pgpool-II provided by Pgpool Global Development Group contains multiple vulnerabilities.

Products Affected

CVE-2026-92867, CVE-2026-92869, CVE-2026-92870, CVE-2026-92871, CVE-2026-92872, CVE-2026-92873

• Pgpool-II versions 4.7.0 to 4.7.2
• Pgpool-II versions 4.6.0 to 4.6.7
• Pgpool-II versions 4.5.0 to 4.5.12
• Pgpool-II versions 4.4.0 to 4.4.17
• Pgpool-II versions 4.3.0 to 4.3.20
• All versions from Pgpool-II 3.5.x series through 4.2.x series

• Pgpool-II versions 4.7.0 to 4.7.2
• Pgpool-II versions 4.6.0 to 4.6.7
• Pgpool-II versions 4.5.0 to 4.5.12
• Pgpool-II versions 4.4.0 to 4.4.17
• Pgpool-II versions 4.3.0 to 4.3.20
• All versions from Pgpool-II 4.0.x series through 4.2.x series

Description

Pgpool-II provided by Pgpool Global Development Group contains multiple vulnerabilities listed below:

• Out-of-bounds Write (CWE-787)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 8.7
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Base Score 8.8
  • CVE-2026-92867
• Improper Certificate Validation (CWE-295)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Base Score 6.5
  • CVE-2026-92868
• Out-of-bounds Write (CWE-787)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Base Score 7.1
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Base Score 6.5
  • CVE-2026-92869
• Stack-based Buffer Overflow (CWE-121)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Base Score 8.7
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score 7.5
  • CVE-2026-92870
• NULL Pointer Dereference (CWE-476)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Base Score 8.7
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score 7.5
  • CVE-2026-92871
• Insertion of Sensitive Information into Log File (CWE-532)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Base Score 5.3
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Base Score 4.3
  • CVE-2026-92872
• Incorrect Implementation of Authentication Algorithm (CWE-303)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N Base Score 6.9
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Base Score 7.3
  • CVE-2026-92873

Impact

• Abnormal process termination, and arbitrary code execution (CVE-2026-92867)
• Client certificate authentication bypass (CVE-2026-92868)
• Abnormal process termination (CVE-2026-92869, CVE-2026-92870)
• Abnormal termination of the watchdog process (CVE-2026-92871)
• Cluster information leak (CVE-2026-92872)
• Promotion of an arbitrary watchdog node to the leader node (CVE-2026-92873)

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.
The following versions are released to address the vulnerabilities:

• Pgpool-II 4.7.3
• Pgpool-II 4.6.8
• Pgpool-II 4.5.13
• Pgpool-II 4.4.18
• Pgpool-II 4.3.21