{
  "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",
    "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/ubuntu18.04els/vex/2022/cve-2022-39377-els_os-ubuntu18_04els.json"
      }
    ],
    "title": "Security update on CVE-2022-39377",
    "tracking": {
      "current_release_date": "2026-01-19T22:42:46Z",
      "generator": {
        "date": "2026-01-19T22:42:46Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2022-39377-ELS_OS-UBUNTU18.04ELS",
      "initial_release_date": "2022-11-08T20:15:00Z",
      "revision_history": [
        {
          "date": "2022-11-08T20:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2025-11-29T15:16:49Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T22:15:38Z",
          "number": "3",
          "summary": "Update document"
        },
        {
          "date": "2026-01-19T22:42:46Z",
          "number": "4",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 18.04",
                "product": {
                  "name": "Ubuntu 18.04",
                  "product_id": "Ubuntu-18",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
                "product": {
                  "name": "isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
                  "product_id": "isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/isag@11.6.1-1ubuntu0.2%2Btuxcare.els1?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64",
                "product": {
                  "name": "sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64",
                  "product_id": "sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/sysstat@11.6.1-1ubuntu0.2%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "isag-0:11.6.1-1ubuntu0.2.all",
                "product": {
                  "name": "isag-0:11.6.1-1ubuntu0.2.all",
                  "product_id": "isag-0:11.6.1-1ubuntu0.2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/ubuntu/isag@11.6.1-1ubuntu0.2?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "sysstat-0:11.6.1-1ubuntu0.2.amd64",
                "product": {
                  "name": "sysstat-0:11.6.1-1ubuntu0.2.amd64",
                  "product_id": "sysstat-0:11.6.1-1ubuntu0.2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/ubuntu/sysstat@11.6.1-1ubuntu0.2?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all"
        },
        "product_reference": "isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64"
        },
        "product_reference": "sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "isag-0:11.6.1-1ubuntu0.2.all as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2.all"
        },
        "product_reference": "isag-0:11.6.1-1ubuntu0.2.all",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "sysstat-0:11.6.1-1ubuntu0.2.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2.amd64"
        },
        "product_reference": "sysstat-0:11.6.1-1ubuntu0.2.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-39377",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
      },
      "notes": [
        {
          "category": "description",
          "text": "sysstat is a set of system performance tools for the Linux operating system. On 32 bit systems, in versions 9.1.16 and newer but prior to 12.7.1, allocate_structures contains a size_t overflow in sa_common.c. The allocate_structures function insufficiently checks bounds before arithmetic multiplication, allowing for an overflow in the size allocated for the buffer representing system activities. This issue may lead to Remote Code Execution (RCE). This issue has been patched in version 12.7.1.",
          "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": [
          "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
          "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64"
        ],
        "known_affected": [
          "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2.all",
          "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2022-39377"
        },
        {
          "category": "external",
          "summary": "https://github.com/sysstat/sysstat/security/advisories/GHSA-q8r6-g56f-9w7x",
          "url": "https://github.com/sysstat/sysstat/security/advisories/GHSA-q8r6-g56f-9w7x"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2022/11/msg00014.html",
          "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00014.html"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6F26ALXWYHT4LN2AHPZM34OQEXTJE3JZ/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6F26ALXWYHT4LN2AHPZM34OQEXTJE3JZ/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X6WKTODOUDV6M3HZMASYNZP6EM4N7W4/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X6WKTODOUDV6M3HZMASYNZP6EM4N7W4/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PHUVUDIVDJZ7AVXD3XX3NBXXXKPOKN3N/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PHUVUDIVDJZ7AVXD3XX3NBXXXKPOKN3N/"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202211-07",
          "url": "https://security.gentoo.org/glsa/202211-07"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2025/10/msg00017.html",
          "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00017.html"
        }
      ],
      "release_date": "2022-11-08T20:15:00Z",
      "remediations": [
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
            "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2.all",
            "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2.amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2+tuxcare.els1.all",
            "Ubuntu-18:isag-0:11.6.1-1ubuntu0.2.all",
            "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2+tuxcare.els1.amd64",
            "Ubuntu-18:sysstat-0:11.6.1-1ubuntu0.2.amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}