{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "CVE-2025-68121: fix TLS session resumption bypass by preventing shared\n  auto-rotated ticket keys in Config and validating full certificate chain expiry",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1772123920",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1772123920"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/advisories/2026/clsa-2026_1772123920.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-02-26T16:39:19Z",
      "generator": {
        "date": "2026-02-26T16:39:19Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1772123920",
      "initial_release_date": "2026-02-26T16:39:19Z",
      "revision_history": [
        {
          "date": "2026-02-26T16:39:19Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "golang: Fix of CVE-2025-68121"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "AlmaLinux 9.2",
                "product": {
                  "name": "AlmaLinux 9.2",
                  "product_id": "AlmaLinux-9.2",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:almalinux:almalinux:9.2:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "AlmaLinux"
          }
        ],
        "category": "vendor",
        "name": "AlmaLinux OS Foundation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                "product": {
                  "name": "golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_id": "golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang-tests@1.22.9-1.el9_2.tuxcare.els6?arch=noarch"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                "product": {
                  "name": "golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_id": "golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang-src@1.22.9-1.el9_2.tuxcare.els6?arch=noarch"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                "product": {
                  "name": "golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_id": "golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang-docs@1.22.9-1.el9_2.tuxcare.els6?arch=noarch"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                "product": {
                  "name": "golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_id": "golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang-misc@1.22.9-1.el9_2.tuxcare.els6?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                "product": {
                  "name": "go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_id": "go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/go-toolset@1.22.9-1.el9_2.tuxcare.els6?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                "product": {
                  "name": "golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_id": "golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang-bin@1.22.9-1.el9_2.tuxcare.els6?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                "product": {
                  "name": "golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_id": "golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/golang@1.22.9-1.el9_2.tuxcare.els6?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
        },
        "product_reference": "golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
        },
        "product_reference": "golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
        },
        "product_reference": "golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
        },
        "product_reference": "golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64"
        },
        "product_reference": "go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64"
        },
        "product_reference": "golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64"
        },
        "product_reference": "golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-68121",
      "cwe": {
        "id": "CWE-295",
        "name": "Improper Certificate Validation"
      },
      "notes": [
        {
          "category": "description",
          "text": "During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed. This may happen when a user calls Config.Clone and mutates the returned Config, or uses Config.GetConfigForClient. This can cause a client to resume a session with a server that it would not have resumed with during the initial handshake, or cause a server to resume a session with a client that it would not have resumed with during the initial handshake.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "AlmaLinux-9.2:go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
          "AlmaLinux-9.2:golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
          "AlmaLinux-9.2:golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
          "AlmaLinux-9.2:golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
          "AlmaLinux-9.2:golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
          "AlmaLinux-9.2:golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
          "AlmaLinux-9.2:golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2025-68121"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/737700",
          "url": "https://go.dev/cl/737700"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/77217",
          "url": "https://go.dev/issue/77217"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk",
          "url": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4337",
          "url": "https://pkg.go.dev/vuln/GO-2026-4337"
        }
      ],
      "release_date": "2026-02-05T18:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-26T16:38:42.963276Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1772123920",
          "product_ids": [
            "AlmaLinux-9.2:go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1772123920"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AlmaLinux-9.2:go-toolset-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-bin-0:1.22.9-1.el9_2.tuxcare.els6.x86_64",
            "AlmaLinux-9.2:golang-docs-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-misc-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-src-0:1.22.9-1.el9_2.tuxcare.els6.noarch",
            "AlmaLinux-9.2:golang-tests-0:1.22.9-1.el9_2.tuxcare.els6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    }
  ]
}