Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package corosynclib (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALMALINUX10-COROSYNCLIB-10587871
- published3 Jul 2025
- disclosed13 May 2025
Introduced: 13 May 2025
CVE-2025-30472 (opens in a new tab)Amendment
The AlmaLinux security team deemed this advisory irrelevant for AlmaLinux:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream corosynclib package and not the corosynclib package as distributed by AlmaLinux.
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.
References
- https://errata.almalinux.org/9/ALSA-2025-7201.html
- https://errata.almalinux.org/10/ALSA-2025-7478.html
- https://access.redhat.com/security/cve/CVE-2025-30472
- https://access.redhat.com/errata/RHSA-2025:7201
- https://access.redhat.com/errata/RHSA-2025:7478
- https://corosync.org
- https://github.com/corosync/corosync/blob/73ba225cc48ebb1903897c792065cb5e876613b0/exec/totemsrp.c#L4677
- https://lists.debian.org/debian-lts-announce/2025/09/msg00023.html
- https://github.com/corosync/corosync/issues/778