File Descriptor Leak Affecting pcp-pmda-uwsgi package, versions <0:6.3.7-8.el9_8.4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-RHEL9-PCPPMDAUWSGI-18962063
  • published19 Aug 2026
  • disclosed30 Jul 2026

Introduced: 30 Jul 2026

CVE-2026-16526  (opens in a new tab)
CWE-403  (opens in a new tab)

How to fix?

Upgrade RHEL:9 pcp-pmda-uwsgi to version 0:6.3.7-8.el9_8.4 or higher.
This issue was patched in RHSA-2026:55740.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcp-pmda-uwsgi package and not the pcp-pmda-uwsgi package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A flaw in the PCP linux_sockets module exposes an unsecured internal connection. An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.

CVSS Base Scores

version 3.1