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
debian/corosync vulnerabilities
8 published CVES affecting debian/corosync, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 8
- Critical
- 1
- High
- 4
- Medium
- 1
- Low
- 0
- Unscored
- 2
- CISA KEV
- 0
Latest debian/corosync CVEs
Newest publication first
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MediumCVSS 6.5
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HighCVSS 7.5
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 7.5A 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
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...
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DLA-4308-1 corosync - security update
PublishedUnknown -
CriticalCVSS 9.8
Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in orf_token_endian_convert in exec/totemsrp.c via a large UDP packet.
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DSA-4174-1 corosync - security update
PublishedUnknown -
HighCVSS 7.5
corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.
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.