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CVE-2026-35091

Medium

Elevated severity or exploit probability.

CVSS base
8.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS — probability of exploitation (30 days)
1.1%
64.0th percentile
CISA KEV
Not listed
Weakness / dates
CWE-253
Published 2026-04-01 · modified 2026-08-21

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

Affected

corosync redhat

References

Official: NVD · CVE.org