{
  "Definition": [
    {
      "ID": "oval:org.altlinux.errata:def:20182451",
      "Version": "oval:org.altlinux.errata:def:20182451",
      "Class": "patch",
      "Metadata": {
        "Title": "ALT-PU-2018-2451: package `libpng16` update to version 1.6.35-alt1",
        "AffectedList": [
          {
            "Family": "unix",
            "Platforms": [
              "ALT Linux branch c9f2"
            ],
            "Products": [
              "ALT SPWorkstation",
              "ALT SPServer"
            ]
          }
        ],
        "References": [
          {
            "RefID": "ALT-PU-2018-2451",
            "RefURL": "https://errata.altlinux.org/ALT-PU-2018-2451",
            "Source": "ALTPU"
          },
          {
            "RefID": "CVE-2017-12652",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2017-12652",
            "Source": "CVE"
          },
          {
            "RefID": "CVE-2018-13785",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2018-13785",
            "Source": "CVE"
          },
          {
            "RefID": "CVE-2018-14048",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2018-14048",
            "Source": "CVE"
          }
        ],
        "Description": "This update upgrades libpng16 to version 1.6.35-alt1. \nSecurity Fix(es):\n\n * CVE-2017-12652: libpng before 1.6.32 does not properly check the length of chunks against the user limit.\n\n * CVE-2018-13785: In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.\n\n * CVE-2018-14048: An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.",
        "Advisory": {
          "From": "errata.altlinux.org",
          "Severity": "Critical",
          "Rights": "Copyright 2024 BaseALT Ltd.",
          "Issued": {
            "Date": "2018-10-10"
          },
          "Updated": {
            "Date": "2018-10-10"
          },
          "BDUs": null,
          "CVEs": [
            {
              "ID": "CVE-2017-12652",
              "CVSS": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
              "CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "CWE": "CWE-20",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2017-12652",
              "Impact": "Critical",
              "Public": "20190710"
            },
            {
              "ID": "CVE-2018-13785",
              "CVSS": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
              "CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "CWE": "CWE-369",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2018-13785",
              "Impact": "Low",
              "Public": "20180709"
            },
            {
              "ID": "CVE-2018-14048",
              "CVSS": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
              "CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "CWE": "NVD-CWE-noinfo",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2018-14048",
              "Impact": "Low",
              "Public": "20180713"
            }
          ],
          "AffectedCPEs": {
            "CPEs": [
              "cpe:/o:alt:spworkstation:8.4",
              "cpe:/o:alt:spserver:8.4"
            ]
          }
        }
      },
      "Criteria": {
        "Operator": "AND",
        "Criterions": [
          {
            "TestRef": "oval:org.altlinux.errata:tst:4001",
            "Comment": "ALT Linux must be installed"
          }
        ],
        "Criterias": [
          {
            "Operator": "OR",
            "Criterions": [
              {
                "TestRef": "oval:org.altlinux.errata:tst:20182451001",
                "Comment": "libpng-devel is earlier than 0:1.6.35-alt1"
              },
              {
                "TestRef": "oval:org.altlinux.errata:tst:20182451002",
                "Comment": "libpng16 is earlier than 0:1.6.35-alt1"
              }
            ]
          }
        ]
      }
    }
  ]
}