CVE-2025-30472

CRITICAL

corosync < 3.1.9 - Stack-based Buffer Overflow via Large UDP Packet

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.0
EPSS 0.0043
EPSS Percentile 34.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-787
Status published
Products (1)
corosync/corosync < 3.1.9
Published Mar 22, 2025
Tracked Since Feb 18, 2026