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Vulnerabilities CVE-2026-35091

CVE-2026-35091

High
Open
TLP:CLEAR

Corosync: corosync: denial of service and information disclosure via crafted udp packet

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Description

A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS) and potentially disclosing limited memory contents

Details

CVSS Score
8.2
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Confidence
90%
Published
Apr 1, 2026
Last Modified
Aug 21, 2026
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