RLSA-2026:67873

See a problem?
Please try reporting it to the source first.
Source
https://errata.rockylinux.org/RLSA-2026:67873
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:67873.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:67873
Upstream
  • CVE-2026-81665
Published
2026-09-17T06:06:39Z
Modified
2026-09-17T06:30:02Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: corosync security update
Details

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

Security Fix(es):

  • corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (CVE-2026-81665)

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.

Database specific 
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:67873"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / corosync

Package

Name
corosync
Purl
pkg:rpm/rocky-linux/corosync?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:3.1.10-1.el9_8.2
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:67873.json"