Dashboard / CVE-2026-35092

CVE-2026-35092

HIGH
MEDIUM Priority: 0.08 BB Relevance: 75/100
Published: 2026-04-01 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
corosync corosync -
redhat enterprise_linux 7.0
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
redhat enterprise_linux 10.0
redhat openshift 4.0

References & Advisories (17)

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

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

1.01%
Raw Score 0.010120
Percentile 63.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.01012
2026-10-28
0.00994

Intelligence Sources

nvd ref →

External Links