{"id":"UBUNTU-CVE-2020-23109","details":"Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.","modified":"2026-08-26T22:45:12.128113779Z","published":"2021-11-03T17:15:00Z","related":["USN-6847-1"],"upstream":["CVE-2020-23109"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-23109"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-23109"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6847-1"}],"affected":[{"package":{"name":"libheif","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-2","1.1.0-2ubuntu0.1~esm1","1.1.0-2ubuntu0.1~esm2","1.1.0-2ubuntu0.1~esm3","1.1.0-2ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"libheif-examples","binary_version":"1.1.0-2ubuntu0.1~esm4"},{"binary_name":"libheif1","binary_version":"1.1.0-2ubuntu0.1~esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23109.json"}},{"package":{"name":"libheif","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1-1ubuntu0.1~esm1"}]}],"versions":["1.5.0-1build1","1.5.1-1","1.5.1-1build1","1.6.0-1","1.6.1-1","1.6.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.1-1ubuntu0.1~esm1","binary_name":"heif-gdk-pixbuf"},{"binary_name":"heif-thumbnailer","binary_version":"1.6.1-1ubuntu0.1~esm1"},{"binary_name":"libheif-examples","binary_version":"1.6.1-1ubuntu0.1~esm1"},{"binary_name":"libheif1","binary_version":"1.6.1-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23109.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}