7.5
High
CVE-2026-35092 A flaw was found in Corosync
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| Red Hat Enterprise Linux 10.0 Extended Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | Versions not published | |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | Versions not published |
Show the 9 other branches Hide the 9 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | Versions not published | |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | Versions not published | |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9.4 Extended Update Support | Versions not published | |
| Red Hat Enterprise Linux 9.6 Extended Update Support | Versions not published | |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | Versions not published |
References
- RHSA-2026:13644 access.redhat.com
- RHSA-2026:13657 access.redhat.com
- RHSA-2026:13673 access.redhat.com
- RHSA-2026:14205 access.redhat.com
- RHSA-2026:14210 access.redhat.com
- RHSA-2026:14211 access.redhat.com
- RHSA-2026:14212 access.redhat.com
- RHSA-2026:14213 access.redhat.com
- RHSA-2026:14214 access.redhat.com
- RHSA-2026:14215 access.redhat.com
- RHSA-2026:14216 access.redhat.com
- RHSA-2026:19043 access.redhat.com
- RHSA-2026:19200 access.redhat.com
- RHSA-2026:20916 access.redhat.com
- access.redhat.com access.redhat.com
- bugzilla.redhat.com bugzilla.redhat.com
- RHBZ#2453814 bugzilla.redhat.com
Timeline
- Published
- Last modified
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