Out-of-bounds Write Affecting corosynclib package, versions <0:3.1.9-2.el9_6


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.47% (40th percentile)

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  • Snyk IDSNYK-ALMALINUX9-COROSYNCLIB-10589723
  • published3 Jul 2025
  • disclosed13 May 2025

Introduced: 13 May 2025

CVE-2025-30472  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 corosynclib to version 0:3.1.9-2.el9_6 or higher.
This issue was patched in ALSA-2025:7201.

NVD Description

Note: Versions mentioned in the description apply only to the upstream corosynclib package and not the corosynclib package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1