CVE-2026-19654: Rsyslog: a configuration-dependent issue in rsyslog's optional imptcp input module can allow an unauthenticated remote peer to crash rsyslogd

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-09-09

EPSS Score

0.40% (percentile: 33.3%)

Affected Products (1)

Other

• 21838-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-09: Information published.