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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-35092

Corosync: corosync: denial of service via integer overflow in join message validation

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Status
Published
Published
Updated
Assigning organization
redhat

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

  • 0:3.1.9-2.el10_1.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

  • 0:3.1.10-1.el10_2.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support

Default version status: affected

  • 0:3.1.9-1.el10_0.2 to < *unaffected

Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support

Default version status: affected

  • 0:2.4.5-7.el7_9.3 to < *unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: affected

  • 0:3.1.8-1.el8_10.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

Default version status: affected

  • 0:3.1.0-3.el8_4.2 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Default version status: affected

  • 0:3.1.0-3.el8_4.2 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

Default version status: affected

  • 0:3.1.5-2.el8_6.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Default version status: affected

  • 0:3.1.5-2.el8_6.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions

Default version status: affected

  • 0:3.1.5-2.el8_6.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Default version status: affected

  • 0:3.1.7-1.el8_8.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions

Default version status: affected

  • 0:3.1.7-1.el8_8.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

  • 0:3.1.9-2.el9_7.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

  • 0:3.1.10-1.el9_8.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Default version status: affected

  • 0:3.1.5-3.el9_0.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Default version status: affected

  • 0:3.1.7-1.el9_2.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support

Default version status: affected

  • 0:3.1.8-1.el9_4.1 to < *unaffected

Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support

Default version status: affected

  • 0:3.1.9-2.el9_6.1 to < *unaffected

Red Hat Red Hat OpenShift Container Platform 4

Default version status: unaffected

References