{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "details",
        "text": "CVE-2016-10087: reset info_ptr->max_text when png_free_data() releases\n  the text array, so a later png_set_text_2() reallocates instead of\n  writing through the freed pointer (NULL pointer dereference).",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788175296",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788175296"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/amazonlinux2els/advisories/2026/clsa-2026_1788175296.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-31T11:22:18Z",
      "generator": {
        "date": "2026-08-31T11:22:18Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1788175296",
      "initial_release_date": "2026-08-31T11:22:18Z",
      "revision_history": [
        {
          "date": "2026-08-31T11:22:18Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "libpng: Fix of CVE-2016-10087"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Amazon Linux 2",
                "product": {
                  "name": "Amazon Linux 2",
                  "product_id": "Amazon-Linux-2",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:amazon:amazon_linux:2:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Amazon Linux"
          }
        ],
        "category": "vendor",
        "name": "Amazon Web Services, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                "product": {
                  "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_id": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libpng@1.5.13-8.amzn2.0.9.tuxcare.els1?arch=x86_64&epoch=2"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                "product": {
                  "name": "libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_id": "libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libpng-static@1.5.13-8.amzn2.0.9.tuxcare.els1?arch=x86_64&epoch=2"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                "product": {
                  "name": "libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_id": "libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libpng-devel@1.5.13-8.amzn2.0.9.tuxcare.els1?arch=x86_64&epoch=2"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
                "product": {
                  "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
                  "product_id": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libpng@1.5.13-8.amzn2.0.9.tuxcare.els1?arch=i686&epoch=2"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64 as a component of Amazon Linux 2",
          "product_id": "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64"
        },
        "product_reference": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Amazon-Linux-2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686 as a component of Amazon Linux 2",
          "product_id": "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686"
        },
        "product_reference": "libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
        "relates_to_product_reference": "Amazon-Linux-2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64 as a component of Amazon Linux 2",
          "product_id": "Amazon-Linux-2:libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64"
        },
        "product_reference": "libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Amazon-Linux-2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64 as a component of Amazon Linux 2",
          "product_id": "Amazon-Linux-2:libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64"
        },
        "product_reference": "libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
        "relates_to_product_reference": "Amazon-Linux-2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-10087",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "description",
          "text": "The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
          "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
          "Amazon-Linux-2:libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
          "Amazon-Linux-2:libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2016-10087"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2016/12/29/2",
          "url": "http://www.openwall.com/lists/oss-security/2016/12/29/2"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2016/12/30/4",
          "url": "http://www.openwall.com/lists/oss-security/2016/12/30/4"
        },
        {
          "category": "external",
          "summary": "http://www.securityfocus.com/bid/95157",
          "url": "http://www.securityfocus.com/bid/95157"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E",
          "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E",
          "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/201701-74",
          "url": "https://security.gentoo.org/glsa/201701-74"
        },
        {
          "category": "external",
          "summary": "https://usn.ubuntu.com/3712-1/",
          "url": "https://usn.ubuntu.com/3712-1/"
        },
        {
          "category": "external",
          "summary": "https://usn.ubuntu.com/3712-2/",
          "url": "https://usn.ubuntu.com/3712-2/"
        }
      ],
      "release_date": "2017-01-30T22:59:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-31T11:21:38.283708Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1788175296",
          "product_ids": [
            "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.i686",
            "Amazon-Linux-2:libpng-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
            "Amazon-Linux-2:libpng-devel-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64",
            "Amazon-Linux-2:libpng-static-2:1.5.13-8.amzn2.0.9.tuxcare.els1.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788175296"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}