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CVE-2026-35091

8.2 HIGH

A flaw was found in Corosync

Published: 2026-04-01 · Last updated: 2026-05-26

Severity and scoring

CVSS
8.2 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE
CWE-253

Affected products

VendorProduct
corosynccorosync, enterprise_linux, openshift
redhatcorosync, enterprise_linux, openshift

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

Source: NVD

References

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