Vulnerability record · CVE-2026-19654 · published 12 August 2026

CVE-2026-19654: Rsyslog out-of-bounds read vulnerability

Rsyslog · Rsyslog

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.

7.5 CVSS 3.1 High EPSS 0.47% · top 62.2% CWE-125 · Out-of-bounds read

7.5CVSS 3.1 base score

0.47%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

7References

24 Sep 2026Last modified by NVD

Description

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Enterprise Linux Redhat

Rsyslog Rsyslog

References

Link	Tags
https://access.redhat.com/errata/RHSA-2026:66405
https://access.redhat.com/errata/RHSA-2026:67583
https://access.redhat.com/errata/RHSA-2026:67584
https://access.redhat.com/errata/RHSA-2026:71603
https://access.redhat.com/security/cve/CVE-2026-19654	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2502868	Issue TrackingThird Party Advisory
https://github.com/rsyslog/rsyslog/security/advisories/GHSA-cj5r-wh2m-7w29	Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-19654), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.