CVE-2025-30472 CRITICAL

CVE-2025-30472

Vendor Corosync

Product Corosync

Weakness CWE-121

Published March 22, 2025

Last update November 3, 2025

View on NVD All CVEs

CVSS base score

9.0/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 22, 2025 CVE published

November 3, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-30472 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/121.html