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RLSA-2026:69541

Security Mirrored from RHSA-2026:69541
Issued at: 2026-09-23
Updated at: 2026-09-23

Advisory content derived from Red Hat RHSA-2026:69541, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Important: rsyslog security update



Description

The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering on any message part, and fine-grained control over output format.

Security Fix(es):

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.



Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2521135

CVEs

CVE-2026-78002

Affected packages

Rocky Linux 10 aarch64 - AppStream

rsyslog-mmnormalize-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-elasticsearch-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmfields-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmaudit-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-relp-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmkubernetes-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-openssl-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-gssapi-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-kafka-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-relp-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-openssl-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-pgsql-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-omamqp1-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-crypto-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmjsonparse-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmjsonparse-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-gnutls-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mysql-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-doc-0:8.2510.0-5.el10_2.2.noarch.rpm rsyslog-0:8.2510.0-5.el10_2.2.src.rpm rsyslog-pgsql-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmsnmptrapd-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-snmp-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-crypto-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-udpspoof-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mysql-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-snmp-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-udpspoof-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-gssapi-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmkubernetes-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmfields-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-debugsource-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmaudit-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-omamqp1-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-elasticsearch-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-kafka-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-gnutls-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmsnmptrapd-debuginfo-0:8.2510.0-5.el10_2.2.aarch64.rpm rsyslog-mmnormalize-0:8.2510.0-5.el10_2.2.aarch64.rpm

Rocky Linux 10 s390x - AppStream

rsyslog-mmaudit-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-gssapi-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-debugsource-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-elasticsearch-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmjsonparse-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-relp-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmnormalize-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-openssl-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-gssapi-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmaudit-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmfields-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-pgsql-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-omamqp1-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-gnutls-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-udpspoof-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-kafka-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmjsonparse-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-crypto-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-udpspoof-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-relp-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-kafka-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmfields-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-snmp-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmsnmptrapd-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-gnutls-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-doc-0:8.2510.0-5.el10_2.2.noarch.rpm rsyslog-0:8.2510.0-5.el10_2.2.src.rpm rsyslog-crypto-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-snmp-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-omamqp1-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mysql-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmkubernetes-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-pgsql-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-elasticsearch-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmkubernetes-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmsnmptrapd-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mysql-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-mmnormalize-debuginfo-0:8.2510.0-5.el10_2.2.s390x.rpm rsyslog-openssl-0:8.2510.0-5.el10_2.2.s390x.rpm

Rocky Linux 10 ppc64le - AppStream

rsyslog-mmfields-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-crypto-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-openssl-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-gssapi-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmsnmptrapd-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-elasticsearch-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-udpspoof-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmaudit-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmnormalize-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmaudit-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mysql-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-gnutls-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-gnutls-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-omamqp1-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmkubernetes-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmkubernetes-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-crypto-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-debugsource-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-snmp-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-elasticsearch-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmjsonparse-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-relp-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmnormalize-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-udpspoof-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-relp-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-kafka-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-snmp-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-kafka-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-doc-0:8.2510.0-5.el10_2.2.noarch.rpm rsyslog-0:8.2510.0-5.el10_2.2.src.rpm rsyslog-omamqp1-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmfields-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-gssapi-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mysql-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-openssl-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmsnmptrapd-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-pgsql-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-mmjsonparse-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-pgsql-0:8.2510.0-5.el10_2.2.ppc64le.rpm rsyslog-debuginfo-0:8.2510.0-5.el10_2.2.ppc64le.rpm

Rocky Linux 10 x86_64 - AppStream

rsyslog-mmjsonparse-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-omamqp1-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-udpspoof-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmsnmptrapd-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-openssl-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-gssapi-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-crypto-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-relp-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-gnutls-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmaudit-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmsnmptrapd-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-relp-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-pgsql-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmfields-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mysql-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-omamqp1-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmfields-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmkubernetes-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmnormalize-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmaudit-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-gnutls-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-pgsql-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmjsonparse-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-doc-0:8.2510.0-5.el10_2.2.noarch.rpm rsyslog-0:8.2510.0-5.el10_2.2.src.rpm rsyslog-debugsource-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mysql-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-udpspoof-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-kafka-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-snmp-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-kafka-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-elasticsearch-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-gssapi-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-crypto-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-openssl-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmnormalize-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-mmkubernetes-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-elasticsearch-debuginfo-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-0:8.2510.0-5.el10_2.2.x86_64.rpm rsyslog-snmp-0:8.2510.0-5.el10_2.2.x86_64.rpm

Rocky Linux 10 riscv64 - AppStream

rsyslog-doc-0:8.2510.0-5.el10_2.2.noarch.rpm rsyslog-0:8.2510.0-5.el10_2.2.src.rpm