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RockyLinux 8 : rsyslog (RLSA-2026:80817)

high Nessus Plugin ID 365546

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:80817 advisory.

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

 * rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function (CVE-2026-78002)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2502868

https://bugzilla.redhat.com/show_bug.cgi?id=2521135

https://errata.rockylinux.org/RLSA-2026:80817

Plugin Details

Severity: High

ID: 365546

File Name: rocky_linux_RLSA-2026-80817.nasl

Version: 1.1

Type: Local

Published: 10/14/2026

Updated: 10/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-78002

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:rsyslog-crypto-debuginfo, p-cpe:/a:rocky:linux:rsyslog-crypto, p-cpe:/a:rocky:linux:rsyslog-debuginfo, p-cpe:/a:rocky:linux:rsyslog-debugsource, p-cpe:/a:rocky:linux:rsyslog-doc, p-cpe:/a:rocky:linux:rsyslog-elasticsearch-debuginfo, p-cpe:/a:rocky:linux:rsyslog-elasticsearch, p-cpe:/a:rocky:linux:rsyslog-gnutls-debuginfo, p-cpe:/a:rocky:linux:rsyslog-gnutls, p-cpe:/a:rocky:linux:rsyslog-gssapi-debuginfo, p-cpe:/a:rocky:linux:rsyslog-gssapi, p-cpe:/a:rocky:linux:rsyslog-kafka-debuginfo, p-cpe:/a:rocky:linux:rsyslog-kafka, p-cpe:/a:rocky:linux:rsyslog-mmaudit-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmaudit, p-cpe:/a:rocky:linux:rsyslog-mmfields-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmfields, p-cpe:/a:rocky:linux:rsyslog-mmjsonparse-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmjsonparse, p-cpe:/a:rocky:linux:rsyslog-mmkubernetes-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmkubernetes, p-cpe:/a:rocky:linux:rsyslog-mmnormalize-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmnormalize, p-cpe:/a:rocky:linux:rsyslog-mmsnmptrapd-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mmsnmptrapd, p-cpe:/a:rocky:linux:rsyslog-mysql-debuginfo, p-cpe:/a:rocky:linux:rsyslog-mysql, p-cpe:/a:rocky:linux:rsyslog-omamqp1-debuginfo, p-cpe:/a:rocky:linux:rsyslog-omamqp1, p-cpe:/a:rocky:linux:rsyslog-openssl-debuginfo, p-cpe:/a:rocky:linux:rsyslog-openssl, p-cpe:/a:rocky:linux:rsyslog-pgsql-debuginfo, p-cpe:/a:rocky:linux:rsyslog-pgsql, p-cpe:/a:rocky:linux:rsyslog-relp-debuginfo, p-cpe:/a:rocky:linux:rsyslog-relp, p-cpe:/a:rocky:linux:rsyslog-snmp-debuginfo, p-cpe:/a:rocky:linux:rsyslog-snmp, p-cpe:/a:rocky:linux:rsyslog-udpspoof-debuginfo, p-cpe:/a:rocky:linux:rsyslog-udpspoof, p-cpe:/a:rocky:linux:rsyslog

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/14/2026

Vulnerability Publication Date: 8/12/2026

Reference Information

CVE: CVE-2026-19654, CVE-2026-78002