CVE-2025-30472

corosync: Stack buffer overflow from 'orf_token_endian_convert'

Published Mar 22, 2025 CVSS 3.1 · 9 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4308-1 corosync security update
EUVD EUVD EUVD-2025-7198 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.
Ubuntu USN Ubuntu USN USN-7478-1 Corosync vulnerability
History
Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:10.0
Vendors & Products Redhat
Redhat enterprise Linux
Type Values Removed Values Added
First Time appeared Corosync
Corosync corosync
Weaknesses CWE-787
CPEs cpe:2.3:a:corosync:corosync:*:*:*:*:*:*:*:*
Vendors & Products Corosync
Corosync corosync
Type Values Removed Values Added
Metrics threat_severity

Important

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title corosync: Stack buffer overflow from 'orf_token_endian_convert'
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
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.
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 3, 2025, 6:09 PM
Reserved
Mar 22, 2025, 12:00 AM
Status
Modified
Published
Mar 22, 2025, 2:15 AM
Modified
Jun 17, 2026, 9:08 AM
Severity
Moderate
Public date
Mar 22, 2025, 12:00 AM