CVE-2025-30472CRITICAL 9.8EPSS p32.0%

CVE-2025-30472CVE-2025-30472

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.40% probability of exploitation · percentile 32.0% · 2026-06-18T12:00:27Z
Published2025-03-22
Last modified2025-11-03

Underlying weaknesses· 2

CWE-121CWE-787

References

  1. https://corosync.org
  2. https://github.com/corosync/corosync/blob/73ba225cc48ebb1903897c792065cb5e876613b0/exec/totemsrp.c#L4677
  3. https://github.com/corosync/corosync/issues/778
  4. https://lists.debian.org/debian-lts-announce/2025/09/msg00023.html
  5. https://github.com/corosync/corosync/issues/778

2

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-35091
CVE
CVE-2025-34468
CVE
CVE-2026-43618
CVE
CVE-2025-11624
CVE
CVE-2025-54617
CVE
CVE-2026-5264
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.