{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "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/debian10els/vex/2023/cve-2023-0687-els_os-debian10els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-20T08:51:13Z",
      "generator": {
        "date": "2026-08-20T08:51:13Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2023-0687-ELS_OS-DEBIAN10ELS",
      "initial_release_date": "2023-02-06T19:15:00Z",
      "revision_history": [
        {
          "date": "2023-02-06T19:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-20T08:51:13Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2023-0687"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 10",
                "product": {
                  "name": "Debian 10",
                  "product_id": "Debian-10",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/nscd@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-x32@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/multiarch-support@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-dev-x32@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/locales-all@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-i386@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc-dev-bin@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-pic@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-dev@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc6-dev-i386@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                "product": {
                  "name": "libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_id": "libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc-bin@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
                "product": {
                  "name": "glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_id": "glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/glibc-source@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "locales-0:2.28-10+deb10u4+tuxcare.els1.all",
                "product": {
                  "name": "locales-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_id": "locales-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/locales@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
                "product": {
                  "name": "libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_id": "libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libc-l10n@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
                "product": {
                  "name": "glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_id": "glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/glibc-doc@2.28-10%2Bdeb10u4%2Btuxcare.els1?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all"
        },
        "product_reference": "glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "locales-0:2.28-10+deb10u4+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:locales-0:2.28-10+deb10u4+tuxcare.els1.all"
        },
        "product_reference": "locales-0:2.28-10+deb10u4+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all"
        },
        "product_reference": "libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all"
        },
        "product_reference": "glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        },
        "product_reference": "libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-0687",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
      },
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in GNU C Library 2.38. It has been declared as critical. This vulnerability affects the function __monstartup of the file gmon.c of the component Call Graph Monitor. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. VDB-220246 is the identifier assigned to this vulnerability. NOTE: The real existence of this vulnerability is still doubted at the moment. The inputs that induce this vulnerability are basically addresses of the running application that is built with gmon enabled. It's basically trusted input or input that needs an actual security flaw to be compromised or controlled.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Debian-10:glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
          "Debian-10:glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
          "Debian-10:libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
          "Debian-10:libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:locales-0:2.28-10+deb10u4+tuxcare.els1.all",
          "Debian-10:locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
          "Debian-10:nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-0687"
        },
        {
          "category": "external",
          "summary": "https://patchwork.sourceware.org/project/glibc/patch/20230204114138.5436-1-leo%40yuriev.ru/",
          "url": "https://patchwork.sourceware.org/project/glibc/patch/20230204114138.5436-1-leo%40yuriev.ru/"
        },
        {
          "category": "external",
          "summary": "https://sourceware.org/bugzilla/show_bug.cgi?id=29444",
          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=29444"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/?ctiid.220246",
          "url": "https://vuldb.com/?ctiid.220246"
        },
        {
          "category": "external",
          "summary": "https://vuldb.com/?id.220246",
          "url": "https://vuldb.com/?id.220246"
        }
      ],
      "release_date": "2023-02-06T19:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        },
        {
          "category": "impact",
          "date": "2026-07-09T12:06:07.416088Z",
          "details": "critical",
          "product_ids": [
            "Debian-10:glibc-doc-0:2.28-10+deb10u4+tuxcare.els1.all",
            "Debian-10:glibc-source-0:2.28-10+deb10u4+tuxcare.els1.all",
            "Debian-10:libc-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc-dev-bin-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc-l10n-0:2.28-10+deb10u4+tuxcare.els1.all",
            "Debian-10:libc6-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-dev-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-dev-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-dev-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-i386-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-pic-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:libc6-x32-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:locales-0:2.28-10+deb10u4+tuxcare.els1.all",
            "Debian-10:locales-all-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:multiarch-support-0:2.28-10+deb10u4+tuxcare.els1.amd64",
            "Debian-10:nscd-0:2.28-10+deb10u4+tuxcare.els1.amd64"
          ]
        }
      ]
    }
  ]
}