{"id":"ALSA-2026:69540","summary":"Important: rsyslog security update","details":"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.  \n\nSecurity Fix(es):  \n\n  * rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function (CVE-2026-78002)\n\n\nFor 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.\n","modified":"2026-09-22T12:00:03.511398620Z","published":"2026-09-21T00:00:00Z","related":["CVE-2026-78002"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:69540"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-78002"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2521135"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-69540.html"}],"affected":[{"package":{"name":"rsyslog","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-crypto","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-crypto"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-doc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-elasticsearch","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-elasticsearch"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-gnutls","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-gnutls"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-gssapi","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-gssapi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-kafka","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-kafka"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-logrotate","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-logrotate"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmaudit","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmaudit"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmfields","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmfields"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmjsonparse","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmjsonparse"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmkubernetes","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmkubernetes"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmnormalize","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmnormalize"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mmsnmptrapd","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mmsnmptrapd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-mysql","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-mysql"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-omamqp1","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-omamqp1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-openssl","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-openssl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-pgsql","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-pgsql"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-relp","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-relp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-snmp","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-snmp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}},{"package":{"name":"rsyslog-udpspoof","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rsyslog-udpspoof"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2510.0-2.el9_8.2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:69540.json"}}],"schema_version":"1.9.0"}