What’s Vulnerable › Vulnerabilities

CVE-2025-30472

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-22 · updated 2026-06-17
• Weakness: CWE-121

Description

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.

Affected products

• Corosync: through 3.1.9

References

• https://corosync.org
• https://github.com/corosync/corosync/blob/73ba225cc48ebb1903897c792065cb5e876613b0/exec/totemsrp.c#L4677
• https://github.com/corosync/corosync/issues/778
• https://lists.debian.org/debian-lts-announce/2025/09/msg00023.html
• https://github.com/corosync/corosync/issues/778

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