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openssh: Fix of 2 CVEs

Type: advisorySources: OSV

- CVE-2026-60000: sshd did not subject GSSAPI authentication to MaxAuthTries and processed attacker-supplied error tokens pre-auth (DoS); discard the token in input_gssapi_errtok() and count the attempt via userauth_finish(). Backport upstream commit 5d04ca6d.

Products
openssh, openssh-askpass, openssh-cavs, openssh-clients, openssh-keycat, openssh-ldap, openssh-server, pam_ssh_agent_auth
Affected versions
Not specified
Fixed versions
0.10.3-7.10.el8.tuxcare.els13, 8.0p1-10.el8.tuxcare.els13
CVEs
CVE-2026-60000
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:14 UTC · Revision 1

Source evidence

openssh: Fix of 2 CVEs

core-osv · Original source

Published 16 Jul 2026, 12:22 UTC

- CVE-2026-60000: sshd did not subject GSSAPI authentication to MaxAuthTries and processed attacker-supplied error tokens pre-auth (DoS); discard the token in input_gssapi_errtok() and count the attempt via userauth_finish(). Backport upstream commit 5d04ca6d.

osv:CLSA-2026-1784204505

openssh

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-askpass

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-cavs

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-clients

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-keycat

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-ldap

Fixed versions: 8.0p1-10.el8.tuxcare.els13

openssh-server

Fixed versions: 8.0p1-10.el8.tuxcare.els13

pam_ssh_agent_auth

Fixed versions: 0.10.3-7.10.el8.tuxcare.els13

Complete source record
{
  "id": "2e6588eb65af01813914706374acb4822b4fc73e9935ed0b2006a8402ac66937",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1784204505",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "openssh: Fix of 2 CVEs",
    "summary": "- CVE-2026-60000: sshd did not subject GSSAPI authentication to MaxAuthTries and processed attacker-supplied error tokens pre-auth (DoS); discard the token in input_gssapi_errtok() and count the attempt via userauth_finish(). Backport upstream commit 5d04ca6d.",
    "evidence": "osv:CLSA-2026-1784204505",
    "products": [
      {
        "name": {
          "value": "openssh",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-askpass",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-cavs",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-clients",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-keycat",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-ldap",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssh-server",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.0p1-10.el8.tuxcare.els13",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "pam_ssh_agent_auth",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.10.3-7.10.el8.tuxcare.els13",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1784204505",
      "aliases": [
        "CLSA-2026-1784204505"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh",
            "purl": "pkg:rpm/tuxcare/openssh?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-askpass",
            "purl": "pkg:rpm/tuxcare/openssh-askpass?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-cavs",
            "purl": "pkg:rpm/tuxcare/openssh-cavs?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-clients",
            "purl": "pkg:rpm/tuxcare/openssh-clients?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-keycat",
            "purl": "pkg:rpm/tuxcare/openssh-keycat?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-ldap",
            "purl": "pkg:rpm/tuxcare/openssh-ldap?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.0p1-10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "openssh-server",
            "purl": "pkg:rpm/tuxcare/openssh-server?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.10.3-7.10.el8.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "pam_ssh_agent_auth",
            "purl": "pkg:rpm/tuxcare/pam_ssh_agent_auth?distro=centos-8.5",
            "ecosystem": "TuxCare:CentOS:8.5"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1784204505.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:50.708698300Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-60000"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1784204505.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-59999",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-60000"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-60000",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448664,
  "published_at": "2026-07-16T12:22:11+00:00"
}