Local Denial of Service Vulnerability in Dbus by Red Hat
CVE-2026-128987

6.2MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Vendor
CVE Published:
13 November 2026

What is CVE-2026-128987?

A flaw in Dbus allows a local attacker to exploit the service by maintaining an open connection while ceasing socket reads. This manipulation leads to a continuous retry loop due to mishandled broken pipe write errors, consequently causing excessive CPU usage and potentially resulting in a denial of service for the affected process.

References

https://access.redhat.com/security/cve/CVE-2026-128987
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2462869
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.