CVE-2026-19654

HighCVSS 7.5/10Last modified Nov 5, 2026

Description

A unauthenticated remote peer may lead rsyslogd to crash due to a flaw in the optional imptcp module. A crafted input sequence during oversize-frame recovery can cause an invalid internal message length and terminate rsyslogd. No confidentiality or integrity impact, privilege escalation, or code execution has been identified. imtcp and the default imptcp framing modes are not affected.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	—
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	—
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	—
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	—
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	—
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	—
Red Hat	Red Hat Update Infrastructure 5	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—

References

Timeline

Published: Aug 12, 2026
Last modified: Nov 5, 2026
NVD status: Modified

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