๐Ÿ›ก๏ธ CVE-2026-35092
๐ŸŸ  CVSS 7.5 โ€” High โš ๏ธ Exploit Public CWE-190 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a denial of service. This vulnerability specifically affects Corosync deployments configured to use totemudp/totemudpu mode.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-190
Public Exploit โš ๏ธ Yes
Source NVD
Published 2026-04-01
Updated 2026-06-02
Modified 2026-05-26
Fix URL N/A

Affected Packages

Software From version Fixed in
corosync โ€” โ€”
enterprise-linux โ€” โ€”
openshift โ€” โ€”

References

Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2453814

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