alsa-2026:13657
Vulnerability from osv_almalinux
Published
2026-05-05 00:00
Modified
2026-05-06 08:44
Summary
Moderate: corosync security update
Details

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.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "corosync"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.8-1.el8_10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "corosync-vqsim"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.8-1.el8_10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "corosynclib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.8-1.el8_10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "corosynclib-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.8-1.el8_10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "spausedd"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.8-1.el8_10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software.  \n\nSecurity Fix(es):  \n\n  * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)\n  * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)\n\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.\n",
  "id": "ALSA-2026:13657",
  "modified": "2026-05-06T08:44:52Z",
  "published": "2026-05-05T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:13657"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35091"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-35092"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2453813"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2453814"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-13657.html"
    }
  ],
  "related": [
    "CVE-2026-35091",
    "CVE-2026-35092"
  ],
  "summary": "Moderate: corosync security update"
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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