An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network pack...
Product
redhat/corosync vulnerabilities
4 published CVES affecting redhat/corosync, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 3
- Medium
- 1
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/corosync CVEs
Newest publication first
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MediumCVSS 6.5 EPSS 0.25%
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HighCVSS 7.5 EPSS 0.42%
A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send c...
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CVE-2026-35092 Corosync: corosync: denial of service via integer overflow in join message validation
PublishedHighCVSS 7.5 EPSS 1.0%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 v...
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HighCVSS 8.2 EPSS 0.88%
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...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.