CVE-2026-35091: Corosync: denial of service and information disclosure via crafted udp packet
Red Hat · Red Hat Enterprise Linux 10
Vendor fix available · Affected: Red Hat Enterprise Linux 10 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 59% of scored CVEs
DescriptionCVE.org
A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS) and potentially disclosing limited memory contents
Affected products19
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Red Hat · Red Hat Enterprise Linux 10Versions not stated
- Red Hat · Red Hat Enterprise Linux 10Versions not stated
- Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportVersions not stated
- Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle SupportVersions not stated
- Red Hat · Red Hat Enterprise Linux 8Versions not stated
- Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceVersions not stated
- Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsVersions not stated
- Red Hat · Red Hat Enterprise Linux 9Versions not stated
- Red Hat · Red Hat Enterprise Linux 9Versions not stated
- Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsVersions not stated
- Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsVersions not stated
- Red Hat · Red Hat Enterprise Linux 9.4 Extended Update SupportVersions not stated
- Red Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportVersions not stated
- Red Hat · Red Hat OpenShift Container Platform 4Versions not stated
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Red Hat
- Published
- April 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-35091 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-253cwe.mitre.org
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
- Vendor advisoryaccess.redhat.com
5 more references are in the CVE record.