{"id":"USN-8573-1","summary":"libde265 vulnerabilities","details":"It was discovered that libde265 did not properly manage memory under\ncertain circumstances. An attacker could possibly use this issue to\ncause libde265 to crash, resulting in a denial of service. This issue\nonly affected Ubuntu 22.04 LTS. (CVE-2023-51792)\n\nIt was discovered that libde265 did not properly handle certain\nmalformed media files, leading to a heap buffer overflow. An attacker\ncould possibly use this issue to cause libde265 to crash, resulting in\na denial of service. (CVE-2024-38949, CVE-2024-38950)\n\nIt was discovered that libde265 did not properly handle certain\nmalformed input, leading to a segmentation fault. An attacker could\npossibly use this issue to cause libde265 to crash, resulting in a\ndenial of service. (CVE-2025-61147)\n\nIt was discovered that libde265 did not properly handle a malformed\nH.265 PPS NAL unit, leading to a segmentation fault. An attacker could\npossibly use this issue to cause libde265 to crash, resulting in a\ndenial of service. (CVE-2026-33164)\n\nIt was discovered that libde265 did not properly handle certain\ncrafted HEVC bitstreams, leading to an out-of-bounds write. An attacker\ncould possibly use this issue to cause libde265 to crash, resulting in\na denial of service. (CVE-2026-33165)\n\nValentin Mercier discovered that libde265 did not properly validate\ntile geometry when handling crafted media files, leading to an\nout-of-bounds read. An attacker could possibly use this issue to cause\nlibde265 to crash, resulting in a denial of service, or to obtain\nsensitive information. (CVE-2026-45382)\n\nIt was discovered that libde265 did not properly validate certain\nvalues when decoding crafted media files, leading to an out-of-bounds\nread. An attacker could possibly use this issue to cause libde265 to\ncrash, resulting in a denial of service, or to obtain sensitive\ninformation. (CVE-2026-45383)\n\nYing Dong discovered that libde265 did not properly validate reference\npicture set entries when handling a crafted H.265 bitstream, leading to\nan out-of-bounds write. An attacker could possibly use this issue to\ncause libde265 to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2026-49295)\n\nYing Dong discovered that libde265 did not properly manage memory when\nhandling a crafted sequence of H.265 NAL units, leading to excessive\nmemory consumption. An attacker could possibly use this issue to cause\nlibde265 to use excessive resources, leading to a denial of service.\n(CVE-2026-49337)\n\nYing Dong discovered that libde265 did not properly handle certain\ncrafted H.265 bitstreams with large dimensions, leading to a heap\nbuffer overflow. An attacker could possibly use this issue to cause\nlibde265 to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2026-49346)\n\nIt was discovered that libde265 did not properly handle certain crafted\nHEVC bitstreams with large dimensions, leading to an out-of-bounds\nread and write. An attacker could possibly use this issue to cause\nlibde265 to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2026-54240)\n\nIt was discovered that libde265 did not properly handle certain crafted\nHEVC bitstreams with large dimensions, leading to a heap buffer\noverflow. An attacker could possibly use this issue to cause libde265\nto crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2026-54241)","modified":"2026-07-24T15:35:43.972526616Z","published":"2026-07-20T19:21:39Z","related":["UBUNTU-CVE-2024-38949","UBUNTU-CVE-2024-38950","UBUNTU-CVE-2025-61147","UBUNTU-CVE-2026-33164","UBUNTU-CVE-2026-33165","UBUNTU-CVE-2026-45382","UBUNTU-CVE-2026-45383","UBUNTU-CVE-2026-49295","UBUNTU-CVE-2026-49337","UBUNTU-CVE-2026-49346","UBUNTU-CVE-2026-54240","UBUNTU-CVE-2026-54241"],"upstream":["UBUNTU-CVE-2024-38949","UBUNTU-CVE-2024-38950","UBUNTU-CVE-2025-61147","UBUNTU-CVE-2026-33164","UBUNTU-CVE-2026-33165","UBUNTU-CVE-2026-45382","UBUNTU-CVE-2026-45383","UBUNTU-CVE-2026-49295","UBUNTU-CVE-2026-49337","UBUNTU-CVE-2026-49346","UBUNTU-CVE-2026-54240","UBUNTU-CVE-2026-54241"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8573-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38949"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38950"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-61147"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33164"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33165"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-45382"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-45383"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-49295"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-49337"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-49346"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-54240"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-54241"}],"affected":[{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-2ubuntu0.16.04.1~esm6"}]}],"versions":["1.0.2-1build1","1.0.2-2","1.0.2-2ubuntu0.16.04.1~esm1","1.0.2-2ubuntu0.16.04.1~esm2","1.0.2-2ubuntu0.16.04.1~esm3","1.0.2-2ubuntu0.16.04.1~esm4","1.0.2-2ubuntu0.16.04.1~esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"libde265-0","binary_version":"1.0.2-2ubuntu0.16.04.1~esm6"},{"binary_name":"libde265-examples","binary_version":"1.0.2-2ubuntu0.16.04.1~esm6"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8573-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-38949"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-38950"},{"id":"CVE-2025-61147","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2026-33164","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-33165","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-45382"},{"id":"CVE-2026-45383","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-49295"},{"id":"CVE-2026-49337","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-49346","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-54240","severity":[{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-54241"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-2ubuntu0.18.04.1~esm6"}]}],"versions":["1.0.2-2build1","1.0.2-2ubuntu0.18.04.1~esm1","1.0.2-2ubuntu0.18.04.1~esm2","1.0.2-2ubuntu0.18.04.1~esm3","1.0.2-2ubuntu0.18.04.1~esm4","1.0.2-2ubuntu0.18.04.1~esm5"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libde265-0","binary_version":"1.0.2-2ubuntu0.18.04.1~esm6"},{"binary_version":"1.0.2-2ubuntu0.18.04.1~esm6","binary_name":"libde265-examples"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2024-38949","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2024-38950","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-61147","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2026-33164","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-33165"},{"id":"CVE-2026-45382","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-45383","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-49295","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-49337"},{"id":"CVE-2026-49346","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-54240"},{"id":"CVE-2026-54241","severity":[{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8573-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-1ubuntu0.4+esm2"}]}],"versions":["1.0.3-1build1","1.0.4-1","1.0.4-1build1","1.0.4-1ubuntu0.1","1.0.4-1ubuntu0.2","1.0.4-1ubuntu0.3","1.0.4-1ubuntu0.4","1.0.4-1ubuntu0.4+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.0.4-1ubuntu0.4+esm2","binary_name":"libde265-0"},{"binary_name":"libde265-examples","binary_version":"1.0.4-1ubuntu0.4+esm2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2024-38949","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2024-38950","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-61147","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-33164"},{"id":"CVE-2026-33165","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-45382","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-45383","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-49295","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-49337"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-49346"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-54240"},{"id":"CVE-2026-54241","severity":[{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8573-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-1ubuntu0.3+esm2"}]}],"versions":["1.0.8-1","1.0.8-1ubuntu0.1","1.0.8-1ubuntu0.2","1.0.8-1ubuntu0.3","1.0.8-1ubuntu0.3+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.8-1ubuntu0.3+esm2","binary_name":"libde265-0"},{"binary_name":"libde265-examples","binary_version":"1.0.8-1ubuntu0.3+esm2"}],"availability":"Available with Ubuntu Pro: 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