Rocky Linux 9 [CIQ] Security Update: corosync / corosync-debuginfo / corosync-debugsource / etc Multiple Vulnerabilities (crlsa-2026_13673)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613673 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer...

AlmaLinux 9.6 [TuxCare] Security Update: corosync / corosync-vqsim / corosynclib / corosynclib-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1777742234)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777742234 advisory. - A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync...

Rocky Linux 10.1 [CIQ] Security Update: corosync-debuginfo / corosync-debugsource / corosync-vqsim / etc Multiple Vulnerabilities (crlsa-2026_13644)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613644 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via intege...

Rocky Linux 9 [CIQ] Security Update: corosync / corosync-debuginfo / corosync-debugsource / etc Multiple Vulnerabilities (crlsa-2026_19200)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619200 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer...

Rocky Linux 9.6 [TuxCare] Security Update: corosync / corosync-vqsim / corosynclib / corosynclib-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1777742234)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777742234 advisory. - A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync...

Rocky Linux 9 [CIQ] Security Update: corosync / corosync-debuginfo / corosync-debugsource / etc (crlsa-2026_67873)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202667873 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the preceding...

Rocky Linux 10.2 [CIQ] Security Update: corosync-debuginfo / corosync-debugsource / corosync-vqsim / etc (crlsa-2026_67872)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202667872 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the precedin...

AlmaLinux 9.2 [TuxCare] Security Update: corosync / corosync-vqsim / corosynclib / corosynclib-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1776435617)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1776435617 advisory. - A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync...

Rocky Linux 8 [CIQ] Security Update: corosync / corosync-debuginfo / corosync-debugsource / etc (crlsa-2026_69277)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202669277 advisory. corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly CVE-2026-81665 Tenable has extracted the preceding...

Rocky Linux 10.2 [CIQ] Security Update: corosync-debuginfo / corosync-debugsource / corosync-vqsim / etc Multiple Vulnerabilities (crlsa-2026_19043)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619043 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via intege...

Rocky Linux 8 [CIQ] Security Update: corosync / corosync-debuginfo / corosync-debugsource / etc Multiple Vulnerabilities (crlsa-2026_13657)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613657 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer...

Rocky Linux 9.6 [TuxCare] Security Update: corosync / corosync-vqsim / corosynclib / corosynclib-devel (ALMALINUX9.6:CLSA-2026:1790008457)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790008457 advisory. - A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast...

AlmaLinux 9.6 [TuxCare] Security Update: corosync / corosync-vqsim / corosynclib / corosynclib-devel (ALMALINUX9.6:CLSA-2026:1790008457)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790008457 advisory. - A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast...

SUSE SLES12 Security Update : corosync (SUSE-SU-2026:4387-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4387-1 advisory. This update for corosync fixes the following issue: - CVE-2026-81665: heap-based buffer overflow in totempg assembly buffer during fragmente...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: corosync (UTSA-2026-126161)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-126161 advisory. A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used t...

Oracle Linux 10 : corosync (ELSA-2026-67872)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-67872 advisory. 3.1.10-1.2 - Resolves: RHEL-251541 - totempg: Replace assert with check in deliverfn fixes CVE-2026-81665 Tenable has extracted the preceding description bloc...

SUSE-SU-2026:4387-1 Security update for corosync

This update for corosync fixes the following issue: - CVE-2026-81665: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly bsc1278738...

Amazon Linux 2023 : corosync, corosync-vqsim, corosynclib (ALAS2023-2026-3138)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3138 advisory. 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 runti...

Amazon Linux 2 : corosync (ALAS-2026-3955)

The version of corosync installed on the remote host is prior to 2.4.3-6. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3955 advisory. A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented...

Important: corosync

Issue Overview: 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...