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...

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...

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

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...

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...

CVE-2026-85504

A flaw was found in FreeIPMI. This vulnerability, a stack-based buffer overflow, occurs when the software processes malformed Fujitsu System Event Log SEL responses. An attacker could exploit this by providing specially crafted SEL data, potentially requiring user interaction, to achieve arbitrar...

CVE-2026-85509

A flaw was found in FreeIPMI. This vulnerability involves a stack-based buffer overflow that occurs when a Baseboard Management Controller BMC sends an oversized response during data reading. An attacker could exploit this by tricking an administrator into running FreeIPMI commands against a...

CVE-2026-85507

A flaw was found in FreeIPMI. A local attacker can exploit a stack-based buffer overflow vulnerability in the ipmi-oem utility when processing the dell get-system-info cmc-info subcommand. This can lead to arbitrary code execution, allowing the attacker to run malicious code on the affected syste...

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...

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-SU-2026:23473-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: August 2026 release. - CVE-2026-75803: AEAD forgeries with empty ciphertext when using EVPCipher bsc1275837. - CVE-2026-54874: excessive memory use when buffering DTLS records for a future epoch bsc1274795. - CVE-2026-63072: heap buffer overfl...

CVE-2026-81665 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...

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...

CVE-2026-81665

Corosync's Totem Process Group (totempg) suffers from a heap-based buffer overflow in its fragmented multicast message reassembly path. In release builds, the reassembly buffer lacks a runtime bounds check, allowing a network-adjacent attacker to send crafted multicast protocol messages that over...

CVE-2026-81665 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...

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...