msrc_cve-2022-44638
Vulnerability from csaf_microsoft
Published
2022-11-02 00:00
Modified
2022-11-09 00:00
Summary
In libpixman in Pixman before 0.42.2 there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


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{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2022-44638 In libpixman in Pixman before 0.42.2 there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-44638.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "In libpixman in Pixman before 0.42.2 there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.",
    "tracking": {
      "current_release_date": "2022-11-09T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:04:34.204Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-44638",
      "initial_release_date": "2022-11-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-11-09T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 pixman 0.36.0-3",
                "product": {
                  "name": "\u003ccm1 pixman 0.36.0-3",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 pixman 0.36.0-3",
                "product": {
                  "name": "cm1 pixman 0.36.0-3",
                  "product_id": "18553"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccm1 pixman 0.40.0-3",
                "product": {
                  "name": "\u003ccm1 pixman 0.40.0-3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 pixman 0.40.0-3",
                "product": {
                  "name": "cm1 pixman 0.40.0-3",
                  "product_id": "18554"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 pixman 0.42.2-1",
                "product": {
                  "name": "\u003ccbl2 pixman 0.42.2-1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 pixman 0.42.2-1",
                "product": {
                  "name": "cbl2 pixman 0.42.2-1",
                  "product_id": "18555"
                }
              }
            ],
            "category": "product_name",
            "name": "pixman"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 pixman 0.36.0-3 as a component of CBL Mariner 1.0",
          "product_id": "16820-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 pixman 0.36.0-3 as a component of CBL Mariner 1.0",
          "product_id": "18553-16820"
        },
        "product_reference": "18553",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 pixman 0.40.0-3 as a component of CBL Mariner 1.0",
          "product_id": "16820-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 pixman 0.40.0-3 as a component of CBL Mariner 1.0",
          "product_id": "18554-16820"
        },
        "product_reference": "18554",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 pixman 0.42.2-1 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 pixman 0.42.2-1 as a component of CBL Mariner 2.0",
          "product_id": "18555-17086"
        },
        "product_reference": "18555",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-44638",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "18553-16820",
          "18554-16820",
          "18555-17086"
        ],
        "known_affected": [
          "16820-3",
          "16820-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-44638 In libpixman in Pixman before 0.42.2 there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-44638.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-11-09T00:00:00.000Z",
          "details": "0.36.0-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2022-11-09T00:00:00.000Z",
          "details": "0.40.0-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2022-11-09T00:00:00.000Z",
          "details": "0.42.2-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 8.8,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "16820-3",
            "16820-2",
            "17086-1"
          ]
        }
      ],
      "title": "In libpixman in Pixman before 0.42.2 there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y."
    }
  ]
}


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