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Affected Component
Analysis
rsyslog
Patched
Name
CVE-2026-19654
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2026-19654Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2502868Issue Tracking
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
rsyslog (buildroot:2025.02.x)
#
Title
Author
Resolve
1
imptcp: guard regex framing match at line start
Rainer Gerhards <rgerhards@adiscon.com>
CVE-2026-19654
rsyslog (buildroot:master)
#
Title
Author
Resolve
1
imptcp: guard regex framing match at line start
Rainer Gerhards <rgerhards@adiscon.com>
CVE-2026-19654
rsyslog (yocto:scarthgap)
#
Title
Author
Resolve
1
imptcp: guard regex framing match at line start
Rainer Gerhards <rgerhards@adiscon.com>
CVE-2026-19654
2
tests: assert imptcp regex oversize diagnostics
Rainer Gerhards <rgerhards@adiscon.com>
CVE-2026-19654