{"id":"USN-5432-2","summary":"libpng1.6 vulnerabilities","details":"USN-5432-1 fixed vulnerabilities in libpng.\nThis update provides the corresponding updates for libpng1.6.\n\nOriginal advisory details:\n\n It was discovered that libpng incorrectly handled memory when parsing\n certain PNG files. If a user or automated system were tricked into opening\n a specially crafted PNG file, an attacker could use this issue to cause\n libpng to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2017-12652)\n\n Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing\n certain PNG files. If a user or automated system were tricked into opening\n a specially crafted PNG file, an attacker could use this issue to cause\n libpng to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2018-14048)\n","modified":"2026-06-25T13:31:11.727200840Z","published":"2022-05-24T14:21:04Z","related":["UBUNTU-CVE-2017-12652","UBUNTU-CVE-2018-14048"],"upstream":["CVE-2017-12652","CVE-2018-14048","UBUNTU-CVE-2017-12652","UBUNTU-CVE-2018-14048"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5432-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12652"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14048"}],"affected":[{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.20-2ubuntu0.1~esm1"}]}],"versions":["1.6.20-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libpng16-16","binary_version":"1.6.20-2ubuntu0.1~esm1"},{"binary_version":"1.6.20-2ubuntu0.1~esm1","binary_name":"libpng16-devtools"},{"binary_version":"1.6.20-2ubuntu0.1~esm1","binary_name":"libpng16-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-12652","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2018-14048"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5432-2.json"}}],"schema_version":"1.7.5"}