{"id":"USN-8899-1","summary":"libpng1.6 vulnerability","details":"Ze Sheng discovered that libpng incorrectly handled certain compressed\ndata chunks in PNG files. An attacker could possibly use this issue to\ncause a denial of service.","modified":"2026-10-09T01:57:55.202580124Z","published":"2026-10-07T18:08:11Z","related":["UBUNTU-CVE-2026-46675"],"upstream":["CVE-2026-46675","UBUNTU-CVE-2026-46675"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8899-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46675"}],"affected":[{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.20-2ubuntu0.1~esm5"}]}],"versions":["1.6.20-2","1.6.20-2ubuntu0.1~esm1","1.6.20-2ubuntu0.1~esm2","1.6.20-2ubuntu0.1~esm3","1.6.20-2ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.20-2ubuntu0.1~esm5","binary_name":"libpng16-16"},{"binary_name":"libpng16-devtools","binary_version":"1.6.20-2ubuntu0.1~esm5"},{"binary_name":"libpng16-tools","binary_version":"1.6.20-2ubuntu0.1~esm5"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-46675","severity":[{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8899-1.json"}},{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.34-1ubuntu0.18.04.2+esm4"}]}],"versions":["1.6.34-1","1.6.34-1ubuntu0.18.04.1","1.6.34-1ubuntu0.18.04.2","1.6.34-1ubuntu0.18.04.2+esm1","1.6.34-1ubuntu0.18.04.2+esm2","1.6.34-1ubuntu0.18.04.2+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"libpng-tools","binary_version":"1.6.34-1ubuntu0.18.04.2+esm4"},{"binary_name":"libpng16-16","binary_version":"1.6.34-1ubuntu0.18.04.2+esm4"}],"availability":"Available with Ubuntu Pro (Infra-only): 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