Search/CVE-2026-35092
● CVE — High

CVE-2026-35092

Vendorredhat, corosyncProductenterprise linux, openshift, corosyncDiscoveredApr 1, 2026UpdatedOct 26, 2026

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.

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CVSS v3.1
7.5 HIGH
EPSS
1.01%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 30, 2026
▲ 0.02pp
0.99% → 1.01% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
5 relationships
Timeline
disclosure → media coverage
Apr 1, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 26, 2026
Apr 13, 2026
ubuntu.com reports: USN-8170-1: Corosync vulnerabilities