{"id":"UBUNTU-CVE-2022-31620","details":"In libjpeg before 1.64, BitStream\u003cfalse\u003e::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan.","modified":"2026-05-20T16:08:05.148345182Z","published":"2022-05-25T21:15:00Z","upstream":["CVE-2022-31620"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-31620"},{"type":"REPORT","url":"https://github.com/thorfdbg/libjpeg/commit/ef4a29a62ab48b8dc235f4af52cfd6319eda9a6a"},{"type":"REPORT","url":"https://github.com/thorfdbg/libjpeg/issues/70"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-31620"}],"affected":[{"package":{"name":"libjpeg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libjpeg?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20190821.87636f3b26b4-1","0.0~git20190821.87636f3b26b4-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjpeg-tools","binary_version":"0.0~git20190821.87636f3b26b4-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31620.json"}},{"package":{"name":"libjpeg","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libjpeg?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20210129.91985dc-1build1","0.0~git20210908.58455ca-1","0.0~git20211115.76133b7-1","0.0~git20211203.966a8ed-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20211203.966a8ed-1","binary_name":"libjpeg-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31620.json"}},{"package":{"name":"libjpeg","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libjpeg?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20220805.54ec643-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20220805.54ec643-1","binary_name":"libjpeg-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31620.json"}},{"package":{"name":"libjpeg","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libjpeg?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20241105.c719010-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjpeg-tools","binary_version":"0.0~git20241105.c719010-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31620.json"}},{"package":{"name":"libjpeg","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libjpeg?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20241105.c719010-1","0.0~git20250815.25f7128-1","0.0~git20250815.25f7128-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libjpeg-tools","binary_version":"0.0~git20250815.25f7128-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31620.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:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}