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...

EUVD-2026-70978

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...

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...

PT-2026-85442

Name of the Vulnerable Software and Affected Versions Corosync affected versions not specified Description A heap-based buffer overflow exists in the Totem Process Group totempg message reassembly of Corosync. The issue occurs during the processing of fragmented multicast messages because the...