usn-7000-1
Vulnerability from osv_ubuntu
Published
2024-09-12 10:01
Modified
2026-06-29 10:53
Summary
expat vulnerabilities
Details

Shang-Hung Wan discovered that Expat did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat did not properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45491, CVE-2024-45492)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-45490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45491",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "expat",
            "binary_version": "2.1.0-4ubuntu1.4+esm9"
          },
          {
            "binary_name": "lib64expat1",
            "binary_version": "2.1.0-4ubuntu1.4+esm9"
          },
          {
            "binary_name": "libexpat1",
            "binary_version": "2.1.0-4ubuntu1.4+esm9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "expat",
        "purl": "pkg:deb/ubuntu/expat@2.1.0-4ubuntu1.4+esm9?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-4ubuntu1.4+esm9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0-4",
        "2.1.0-4ubuntu1",
        "2.1.0-4ubuntu1.1",
        "2.1.0-4ubuntu1.2",
        "2.1.0-4ubuntu1.3",
        "2.1.0-4ubuntu1.4",
        "2.1.0-4ubuntu1.4+esm1",
        "2.1.0-4ubuntu1.4+esm2",
        "2.1.0-4ubuntu1.4+esm4",
        "2.1.0-4ubuntu1.4+esm6",
        "2.1.0-4ubuntu1.4+esm7",
        "2.1.0-4ubuntu1.4+esm8"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-45490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45491",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "expat",
            "binary_version": "2.1.0-7ubuntu0.16.04.5+esm9"
          },
          {
            "binary_name": "lib64expat1",
            "binary_version": "2.1.0-7ubuntu0.16.04.5+esm9"
          },
          {
            "binary_name": "libexpat1",
            "binary_version": "2.1.0-7ubuntu0.16.04.5+esm9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "expat",
        "purl": "pkg:deb/ubuntu/expat@2.1.0-7ubuntu0.16.04.5+esm9?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-7ubuntu0.16.04.5+esm9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0-7",
        "2.1.0-7ubuntu0.16.04.1",
        "2.1.0-7ubuntu0.16.04.2",
        "2.1.0-7ubuntu0.16.04.3",
        "2.1.0-7ubuntu0.16.04.4",
        "2.1.0-7ubuntu0.16.04.5",
        "2.1.0-7ubuntu0.16.04.5+esm2",
        "2.1.0-7ubuntu0.16.04.5+esm5",
        "2.1.0-7ubuntu0.16.04.5+esm6",
        "2.1.0-7ubuntu0.16.04.5+esm7",
        "2.1.0-7ubuntu0.16.04.5+esm8"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-45490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45491",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "expat",
            "binary_version": "2.2.5-3ubuntu0.9+esm1"
          },
          {
            "binary_name": "libexpat1",
            "binary_version": "2.2.5-3ubuntu0.9+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "expat",
        "purl": "pkg:deb/ubuntu/expat@2.2.5-3ubuntu0.9+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.5-3ubuntu0.9+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.3-1",
        "2.2.3-2",
        "2.2.5-0ubuntu2",
        "2.2.5-3",
        "2.2.5-3ubuntu0.1",
        "2.2.5-3ubuntu0.2",
        "2.2.5-3ubuntu0.4",
        "2.2.5-3ubuntu0.7",
        "2.2.5-3ubuntu0.8",
        "2.2.5-3ubuntu0.9"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-45490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45491",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "expat",
            "binary_version": "2.2.9-1ubuntu0.7"
          },
          {
            "binary_name": "libexpat1",
            "binary_version": "2.2.9-1ubuntu0.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "expat",
        "purl": "pkg:deb/ubuntu/expat@2.2.9-1ubuntu0.7?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.9-1ubuntu0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.7-2",
        "2.2.9-1",
        "2.2.9-1build1",
        "2.2.9-1ubuntu0.2",
        "2.2.9-1ubuntu0.4",
        "2.2.9-1ubuntu0.5",
        "2.2.9-1ubuntu0.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-45490",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45491",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-45492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "expat",
            "binary_version": "2.6.1-2ubuntu0.1"
          },
          {
            "binary_name": "libexpat1",
            "binary_version": "2.6.1-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "expat",
        "purl": "pkg:deb/ubuntu/expat@2.6.1-2ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.1-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.0-2",
        "2.6.0-1",
        "2.6.1-2",
        "2.6.1-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "Shang-Hung Wan discovered that Expat did not properly handle certain\nfunction calls when a negative input length was provided. An attacker\ncould use this issue to cause a denial of service or possibly execute\narbitrary code. (CVE-2024-45490)\n\nShang-Hung Wan discovered that Expat did not properly handle the\npotential for an integer overflow on 32-bit platforms. An attacker\ncould use this issue to cause a denial of service or possibly execute\narbitrary code. (CVE-2024-45491, CVE-2024-45492)\n",
  "id": "USN-7000-1",
  "modified": "2026-06-29T10:53:16Z",
  "published": "2024-09-12T10:01:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7000-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-45490"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-45491"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-45492"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "expat vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-45490",
    "UBUNTU-CVE-2024-45491",
    "UBUNTU-CVE-2024-45492"
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.