corosync security update

An update is available for corosync. 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 corosync packages provide the Corosync Cluster Engine and C APIs for Roc...

RLSA-2026:69277 Important: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for Rocky Linux cluster software. Security Fixes: corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 For more details about the security issues, includin...

MiracleLinux 8 : corosync-3.1.8-1.el8_10.2 (AXSA:2026-1890:06)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1890:06 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 8. 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...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

Important: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 For more details about the security issues, including...

RHEL 8 : corosync (RHSA-2026:69280)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:69280 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosync:...

RHEL 8 : corosync (RHSA-2026:69277)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:69277 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosync:...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

RHEL 9 : corosync (RHSA-2026:67880)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:67880 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosync:...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

RockyLinux 9 : corosync (RLSA-2026:67873)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67873 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the preceding...

RockyLinux 10 : corosync (RLSA-2026:67872)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67872 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the precedin...

RHEL 7 : corosync (RHSA-2026:68574)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:68574 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosync:...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...