CVE-2025-30472
CRITICALCVSS 9.8/10EPSS 0.43%
Last modified
CVE-2025-30472 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Corosync | Corosync | <= 3.1.9 |
References
- https://corosync.orgProduct
- https://github.com/corosync/corosync/issues/778Exploit, Issue Tracking
- https://github.com/corosync/corosync/issues/778Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-30472?
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.
How severe is CVE-2025-30472?
CVE-2025-30472 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2025-30472?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-30472?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST