[SECURITY] Fedora 43 Update: corosync-3.1.10-3.fc43

This package contains the Corosync Cluster Engine Executive, several default APIs and libraries, default configuration files, and an init script...

Fedora 43 : corosync (2026-c0427570d6)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-c0427570d6 advisory. Fix CVE-2026-81666 and CVE-2026-81665 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...

corosync-3.1.10-5.1 on GA media (moderate)

corosync-3.1.10-5.1 on GA media Announcement ID: openSUSE-SU-2026:11715-1 Rating: moderate Cross-References: CVE-2026-81665 CVE-2026-81666 CVSS scores: CVE-2026-81665 SUSE : 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-81665 SUSE : 7.7...

[SECURITY] Fedora 44 Update: corosync-3.1.10-6.fc44

This package contains the Corosync Cluster Engine Executive, several default APIs and libraries, default configuration files, and an init script...

Fedora 44 : corosync (2026-e97124c200)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e97124c200 advisory. Fix CVE-2026-81666 and CVE-2026-81665 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...

OPENSUSE-SU-2026:11715-1 corosync-3.1.10-5.1 on GA media

These are all security issues fixed in the corosync-3.1.10-5.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

UBUNTU-CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

SUSE CVE-2026-81665

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...

SUSE CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

DEBIAN-CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666 Corosync: corosync: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666

CVE-2026-81666 affects the Corosync cluster communication library. The vulnerability resides in the check_memb_commit_token_sanity function, where an integer overflow in the expected message-length calculation on 32-bit systems bypasses the length-validation check for membership commit token mess...

EUVD-2026-70987

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666 Corosync: corosync: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

DEBIAN-CVE-2026-81665

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...

AZL-99888 CVE-2026-81665 affecting package corosync 3.0.4-4

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...