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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History
Thu, 02 Apr 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Wed, 01 Apr 2026 23:45:00 +0000
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| 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. | |
| Title | Corosync: corosync: denial of service via integer overflow in join message validation | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift |
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| Weaknesses | CWE-190 | |
| CPEs | cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift |
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-04-01T13:32:35.483Z
Reserved: 2026-04-01T11:35:23.146Z
Link: CVE-2026-35092
Updated: 2026-04-01T13:30:10.667Z
Status : Undergoing Analysis
Published: 2026-04-01T14:16:57.237
Modified: 2026-04-01T14:23:37.727
Link: CVE-2026-35092
OpenCVE Enrichment
No data.