RHEL 9 : rsyslog (RHSA-2026:90349)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:90349 advisory. The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering o...

rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function

A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory...

RHEL 10 : rsyslog (RHSA-2026:81321)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:81321 advisory. The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering ...

rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function

A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory...

CentOS Linux 8 [TuxCare] Security Update: rsyslog / rsyslog-crypto / rsyslog-doc / rsyslog-elasticsearch / etc (CENTOS-STREAM8:CLSA-2026:1791954698)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1791954698 advisory. - A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function...

CentOS Linux 8.5 [TuxCare] Security Update: rsyslog / rsyslog-crypto / rsyslog-doc / rsyslog-elasticsearch / etc (CENTOS8.5:CLSA-2026:1791960930)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1791960930 advisory. - A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by...

Oracle Linux 8 : rsyslog (ELSA-2026-80817)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-80817 advisory. - Fix CVE-2026-78002: heap buffer overflow in RainerScript replace function Resolves: RHEL-246632 Tenable has extracted the preceding description bloc...

rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function

A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory...

rsyslog security update

An update is available for rsyslog. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It...

Unity Linux 20.1070a Security Update: rsyslog (UTSA-2026-130089)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130089 advisory. A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted...

CentOS Linux 8.4 [TuxCare] Security Update: rsyslog / rsyslog-crypto / rsyslog-doc / rsyslog-elasticsearch / etc (CENTOS8.4:CLSA-2026:1791918528)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1791918528 advisory. - A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by...

Important: Red Hat Security Advisory: rsyslog security, bug fix, and enhancement update

An update for rsyslog is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function

A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory...

rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace() function

A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory...

Important: rsyslog security update

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 Fixes: rsyslog: A configuration-dependent issue in rsyslog's optional imptc...

Rocky Linux 9 [CIQ] Security Update: rsyslog / rsyslog-crypto / rsyslog-crypto-debuginfo / etc (crlsa-2026_69540)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202669540 advisory. rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace function CVE-2026-78002 Tenable has extracted the preceding description block...

Rocky Linux 10.2 [CIQ] Security Update: rsyslog / rsyslog-crypto / rsyslog-crypto-debuginfo / etc (crlsa-2026_69541)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202669541 advisory. rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace function CVE-2026-78002 Tenable has extracted the preceding description blo...

CLSA-2026-1790809774 rsyslog: Fix of CVE-2026-78002

CVE-2026-78002: heap buffer overflow in RainerScript replace; rewind the sizing pass by the full failed partial-match length so the allocated buffer matches what the copy pass writes...

AlmaLinux 9.2 [TuxCare] Security Update: rsyslog / rsyslog-crypto / rsyslog-doc / rsyslog-elasticsearch / etc (ALMALINUX9.2:CLSA-2026:1790809774)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1790809774 advisory. - A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function by...

Rocky Linux 9.6 [TuxCare] Security Update: rsyslog / rsyslog-crypto / rsyslog-doc / rsyslog-elasticsearch / etc (ALMALINUX9.6:CLSA-2026:1790795134)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790795134 advisory. - A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript replace function b...