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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...

9.0 CVSS

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.

Classification

CVE ID: CVE-2025-30472

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.0

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

Problem Types

CWE-121 Stack-based Buffer Overflow

Affected Products

Vendor: Corosync

Product: Corosync

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 13.78% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-30472
https://github.com/corosync/corosync/blob/73ba225cc48ebb1903897c792065cb5e876613b0/exec/totemsrp.c#L4677
https://github.com/corosync/corosync/issues/778
https://corosync.org

Timeline