Improper Handling of Exceptional Conditions Affecting dbus-broker-debugsource package, versions <0:28-9.el9_8


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-ROCKY9-DBUSBROKERDEBUGSOURCE-19496670
  • published2 Sept 2026
  • disclosed24 Jul 2026

Introduced: 24 Jul 2026

CVE-2026-16730  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 dbus-broker-debugsource to version 0:28-9.el9_8 or higher.
This issue was patched in RLSA-2026:61355.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dbus-broker-debugsource package and not the dbus-broker-debugsource package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

A flaw was found in dbus-broker. When the process file-descriptor limit is reached, EMFILE/ENFILE errors during peer setup (notably SO_PEERPIDFD) are handled as fatal failures, causing the broker to exit. A local attacker who can open many connections to the user session bus can trigger this and deny service to the desktop session. Flatpak applications can reach the host session bus through the dbus proxy.

CVSS Base Scores

version 3.1