rlsa-2026:69277

{
  "affected": [
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:69277.json"
      },
      "package": {
        "ecosystem": "Rocky Linux:8",
        "name": "corosync",
        "purl": "pkg:rpm/rocky-linux/corosync?distro=rocky-linux-8&epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.1.8-1.el8_10.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:69277"
  },
  "details": "The corosync packages provide the Corosync Cluster Engine and C APIs for Rocky Linux cluster software.\n\nSecurity Fix(es):\n\n* corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (CVE-2026-81665)\n\nFor 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.",
  "id": "RLSA-2026:69277",
  "modified": "2026-09-23T06:30:03.138711003Z",
  "published": "2026-09-23T06:01:17.785006Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:69277"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524910"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:69277"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: corosync security update",
  "upstream": [
    "CVE-2026-81665"
  ]
}