Important: Red Hat Security Advisory: rsyslog security update

An update for rsyslog is now available for Red Hat Enterprise Linux 9. 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 for each vulnerability from t...

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 9 : rsyslog (RHSA-2026:69540)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:69540 advisory. The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering o...

AlmaLinux 9 : rsyslog (ALSA-2026:69540)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:69540 advisory. rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace function CVE-2026-78002 Tenable has extracted the preceding description block...

rsyslog security update

8.2510.0-2.0.1.el98.2 - Fixes rsyslog segfault during shutdown when relp is configured with TLS Orabug: 37588023 8.2510.0-2.2 - Fix CVE-2026-78002: heap buffer overflow in RainerScript replace function Resolves: RHEL-246641 8.2510.0-2.1 - Backport: imptcp: guard regex-framing match against...

Oracle Linux 10 : rsyslog (ELSA-2026-69541)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-69541 advisory. 8.2510.0-5.2 - Fix CVE-2026-78002: heap buffer overflow in RainerScript replace function Resolves: RHEL-246633 Tenable has extracted the preceding description...

AlmaLinux 10 : rsyslog (ALSA-2026:69541)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:69541 advisory. rsyslog: rsyslog: Denial of service via heap buffer overflow in RainerScript replace function CVE-2026-78002 Tenable has extracted the preceding description bloc...

RockyLinux 10 : rsyslog (RLSA-2026:67584)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67584 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...

RockyLinux 9 : rsyslog (RLSA-2026:67583)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67583 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...

Important: Red Hat Security Advisory: rsyslog security update

An update for rsyslog is now available for Red Hat Enterprise Linux 10. 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 for each vulnerability from...

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...

USN-8786-1: rsyslog vulnerability

It was discovered that rsyslog incorrectly calculated buffer sizes when replacing strings. A remote attacker could possibly use this issue to cause rsyslog to crash, resulting in a denial of service...

USN-8786-1 rsyslog vulnerability

It was discovered that rsyslog incorrectly calculated buffer sizes when replacing strings. A remote attacker could possibly use this issue to cause rsyslog to crash, resulting in a denial of service...

PT-2026-96641

Name of the Vulnerable Software and Affected Versions rsyslog affected versions not specified Description An issue exists where buffer sizes are incorrectly calculated during string replacement. A remote attacker could exploit this to cause the service to crash, leading to a denial of service...

ALSA-2026:69541 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: rsyslog: Denial of service via heap buffer overflow in...

ALSA-2026:69540 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: rsyslog: Denial of service via heap buffer overflow in...

rsyslog security update

8.2510.0-5.2 - Fix CVE-2026-78002: heap buffer overflow in RainerScript replace function Resolves: RHEL-246633...

RHEL 10 : rsyslog (RHSA-2026:69541)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:69541 advisory. The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering ...

TencentOS Server 4: rsyslog (TSSA-2026:1017)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:1017 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

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: rsyslog: Denial of service via heap buffer overflow in...