VULNERABILITY INTELLIGENCE

CVE-2026-35091

CVSS score8.2 HIGH
EPSS probability0.88%
CISA KEVNot currently listed
Published2026-04-01
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

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

Weakness classification

  • secalert@redhat.com: CWE-253

Primary references