{"id":"UBUNTU-CVE-2022-44638","details":"In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.","modified":"2026-04-22T13:27:25.136799Z","published":"2022-11-03T06:15:00Z","related":["USN-5718-1","USN-5718-2"],"upstream":["CVE-2022-44638"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-44638"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5718-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5718-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-44638"}],"affected":[{"package":{"name":"pixman","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/pixman@0.30.2-2ubuntu1.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.30.2-2ubuntu1.2+esm1"}]}],"versions":["0.30.2-1","0.30.2-2","0.30.2-2ubuntu1","0.30.2-2ubuntu1.1","0.30.2-2ubuntu1.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libpixman-1-0","binary_version":"0.30.2-2ubuntu1.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-44638.json"}},{"package":{"name":"pixman","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pixman@0.33.6-1ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.33.6-1ubuntu0.1~esm1"}]}],"versions":["0.32.6-3","0.33.2-2","0.33.4-1","0.33.6-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpixman-1-0","binary_version":"0.33.6-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-44638.json"}},{"package":{"name":"pixman","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pixman@0.34.0-2ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.34.0-2ubuntu0.1"}]}],"versions":["0.34.0-1","0.34.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpixman-1-0","binary_version":"0.34.0-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-44638.json"}},{"package":{"name":"pixman","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pixman@0.38.4-0ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.38.4-0ubuntu2.1"}]}],"versions":["0.38.4-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpixman-1-0","binary_version":"0.38.4-0ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-44638.json"}},{"package":{"name":"pixman","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pixman@0.40.0-1ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.40.0-1ubuntu0.22.04.1"}]}],"versions":["0.40.0-1build2","0.40.0-1build3","0.40.0-1build4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.40.0-1ubuntu0.22.04.1","binary_name":"libpixman-1-0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-44638.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}