{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/vex/2023/cve-2023-2977-els_os-almalinux9_2esu.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-02-16T09:42:54Z",
      "generator": {
        "date": "2026-02-16T09:42:54Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2023-2977-ELS_OS-ALMALINUX9.2ESU",
      "initial_release_date": "2023-06-01T01:15:00Z",
      "revision_history": [
        {
          "date": "2023-06-01T01:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-10-09T15:08:30Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T19:08:30Z",
          "number": "3",
          "summary": "Update document"
        },
        {
          "date": "2026-02-16T09:42:54Z",
          "number": "4",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "4"
    },
    "title": "Security update on CVE-2023-2977"
  },
  "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"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "opensc-0:0.22.0-2.el9.x86_64",
                "product": {
                  "name": "opensc-0:0.22.0-2.el9.x86_64",
                  "product_id": "opensc-0:0.22.0-2.el9.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/almalinux/opensc@0.22.0-2.el9?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "opensc-0:0.22.0-2.el9.i686",
                "product": {
                  "name": "opensc-0:0.22.0-2.el9.i686",
                  "product_id": "opensc-0:0.22.0-2.el9.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/almalinux/opensc@0.22.0-2.el9?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "AlmaLinux OS Foundation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
                "product": {
                  "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
                  "product_id": "opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
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                    "purl": "pkg:rpm/tuxcare/opensc@0.22.0-2.el9.tuxcare.els1?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64",
                "product": {
                  "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64",
                  "product_id": "opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/opensc@0.22.0-2.el9.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.i686 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.i686"
        },
        "product_reference": "opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64"
        },
        "product_reference": "opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opensc-0:0.22.0-2.el9.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.x86_64"
        },
        "product_reference": "opensc-0:0.22.0-2.el9.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "opensc-0:0.22.0-2.el9.i686 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.i686"
        },
        "product_reference": "opensc-0:0.22.0-2.el9.i686",
        "relates_to_product_reference": "AlmaLinux-9.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-2977",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "description",
          "text": "A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context. The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In cases where ASAN is enabled while compiling this causes a crash. Further info leak or more damage is possible.",
          "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:opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
          "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64"
        ],
        "known_affected": [
          "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.i686",
          "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-2977"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2023-2977",
          "url": "https://access.redhat.com/security/cve/CVE-2023-2977"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2211088",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2211088"
        },
        {
          "category": "external",
          "summary": "https://github.com/OpenSC/OpenSC/issues/2785",
          "url": "https://github.com/OpenSC/OpenSC/issues/2785"
        },
        {
          "category": "external",
          "summary": "https://github.com/OpenSC/OpenSC/pull/2787",
          "url": "https://github.com/OpenSC/OpenSC/pull/2787"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html",
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJD4Q4AJSGE5UIJI7OUYZY4HGGCVYQNI/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJD4Q4AJSGE5UIJI7OUYZY4HGGCVYQNI/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAR54OV6EHA56B4XJF6RNPQ4HJ2ITU66/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAR54OV6EHA56B4XJF6RNPQ4HJ2ITU66/"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html",
          "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html"
        }
      ],
      "release_date": "2023-06-01T01:15:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-09T15:08:03.749672Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2025:1760022476",
          "product_ids": [
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1760022476"
        },
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.i686",
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.i686",
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.i686",
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:opensc-0:0.22.0-2.el9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}