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CVE-2026-35092

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Red Hat / Red Hat Enterprise Linux 10unaffected 0:3.1.9-2.el10_1.1 before *
Red Hat / Red Hat Enterprise Linux 10unaffected 0:3.1.10-1.el10_2.1 before *
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:3.1.9-1.el10_0.2 before *
Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:2.4.5-7.el7_9.3 before *
Red Hat / Red Hat Enterprise Linux 8unaffected 0:3.1.8-1.el8_10.1 before *
Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:3.1.0-3.el8_4.2 before *
Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:3.1.0-3.el8_4.2 before *
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:3.1.5-2.el8_6.1 before *
Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Serviceunaffected 0:3.1.5-2.el8_6.1 before *
Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutionsunaffected 0:3.1.5-2.el8_6.1 before *
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 0:3.1.7-1.el8_8.1 before *
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 0:3.1.7-1.el8_8.1 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:3.1.9-2.el9_7.1 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:3.1.10-1.el9_8.1 before *
Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutionsunaffected 0:3.1.5-3.el9_0.1 before *
Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:3.1.7-1.el9_2.1 before *
Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Supportunaffected 0:3.1.8-1.el9_4.1 before *
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:3.1.9-2.el9_6.1 before *
Red Hat / Red Hat OpenShift Container Platform 4unaffected

CWE

CWE-190

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.