🛡️ ALSA-2026:19200 — corosync

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software.

Security Fix(es):

  • corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)
  • corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected software

ALSA-2026:19200 is recorded against 4 packages.

  • corosync (fixed in 3.1.10-1.el9_8.1)
  • corosync-vqsim (fixed in 3.1.10-1.el9_8.1)
  • corosynclib (fixed in 3.1.10-1.el9_8.1)
  • corosynclib-devel (fixed in 3.1.10-1.el9_8.1)

Timeline and source

Published on 19 May 2026 and last revised on 23 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

access.redhat.com (Advisory)
access.redhat.com (Report)
access.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
errata.almalinux.org (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-19
Updated 2026-08-12
Modified 2026-06-23
Fix URL N/A

Affected Packages

Software From version Fixed in
corosync — 3.1.10-1.el9_8.1
corosync-vqsim — 3.1.10-1.el9_8.1
corosynclib — 3.1.10-1.el9_8.1
corosynclib-devel — 3.1.10-1.el9_8.1

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