{"id":"UBUNTU-CVE-2026-46675","details":"[Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression]","modified":"2026-09-29T23:41:57.429073470Z","published":"2026-09-29T00:00:00Z","upstream":["CVE-2026-46675"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46675"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-46675"},{"type":"REPORT","url":"https://github.com/pnggroup/libpng/security/advisories/GHSA-qvg3-h654-xq3j"},{"type":"REPORT","url":"https://github.com/pnggroup/libpng/issues/855"}],"affected":[{"package":{"name":"libpng","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libpng?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.49-4ubuntu1","1.2.49-5ubuntu1","1.2.50-1ubuntu1","1.2.50-1ubuntu2","1.2.50-1ubuntu2.14.04.1","1.2.50-1ubuntu2.14.04.2","1.2.50-1ubuntu2.14.04.3","1.2.50-1ubuntu2.14.04.3+esm1","1.2.50-1ubuntu2.14.04.3+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libpng12-0","binary_version":"1.2.50-1ubuntu2.14.04.3+esm2"},{"binary_name":"libpng3","binary_version":"1.2.50-1ubuntu2.14.04.3+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.json"}},{"package":{"name":"libpng","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libpng?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.51-0ubuntu3","1.2.54-1","1.2.54-1ubuntu1","1.2.54-1ubuntu1.1","1.2.54-1ubuntu1.1+esm1","1.2.54-1ubuntu1.1+esm2","1.2.54-1ubuntu1.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.54-1ubuntu1.1+esm3","binary_name":"libpng12-0"},{"binary_name":"libpng3","binary_version":"1.2.54-1ubuntu1.1+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.json"}},{"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"}]}],"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~esm4","binary_name":"libpng16-16"},{"binary_version":"1.6.20-2ubuntu0.1~esm4","binary_name":"libpng16-devtools"},{"binary_name":"libpng16-tools","binary_version":"1.6.20-2ubuntu0.1~esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.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"}]}],"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_version":"1.6.34-1ubuntu0.18.04.2+esm3","binary_name":"libpng-tools"},{"binary_name":"libpng16-16","binary_version":"1.6.34-1ubuntu0.18.04.2+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.json"}},{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.37-1","1.6.37-2","1.6.37-2ubuntu0.1~esm1","1.6.37-2ubuntu0.1~esm2","1.6.37-2ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.37-2ubuntu0.1~esm3","binary_name":"libpng-tools"},{"binary_name":"libpng16-16","binary_version":"1.6.37-2ubuntu0.1~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.json"}},{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.37-3build4","1.6.37-3build5","1.6.37-3ubuntu0.1","1.6.37-3ubuntu0.3","1.6.37-3ubuntu0.4","1.6.37-3ubuntu0.5","1.6.37-3ubuntu0.6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.37-3ubuntu0.6","binary_name":"libpng-tools"},{"binary_name":"libpng16-16","binary_version":"1.6.37-3ubuntu0.6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-46675.json"}},{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.40-1","1.6.40-2","1.6.40-3","1.6.42-1","1.6.43-1","1.6.43-3","1.6.43-5build1","1.6.43-5ubuntu0.1","1.6.43-5ubuntu0.3","1.6.43-5ubuntu0.4","1.6.43-5ubuntu0.5","1.6.43-5ubuntu0.6"],"ecosystem_specific":{"binaries":[{"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