{"id":"USN-5593-1","summary":"libzstd vulnerability","details":"It was discovered that Zstandard incorrectly handled certain inputs.\nAn attacker could possibly use this issue to execute arbitrary code.\n","modified":"2026-02-10T04:42:45Z","published":"2022-09-01T23:00:45Z","related":["UBUNTU-CVE-2019-11922"],"upstream":["CVE-2019-11922","UBUNTU-CVE-2019-11922"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5593-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11922"}],"affected":[{"package":{"name":"libzstd","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libzstd@1.3.1+dfsg-1~ubuntu0.16.04.1+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1+dfsg-1~ubuntu0.16.04.1+esm2"}]}],"versions":["0.4.5-1","0.5.1-1","1.3.1+dfsg-1~ubuntu0.16.04.1","1.3.1+dfsg-1~ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.3.1+dfsg-1~ubuntu0.16.04.1+esm2","binary_name":"libzstd1"},{"binary_version":"1.3.1+dfsg-1~ubuntu0.16.04.1+esm2","binary_name":"libzstd1-dev"},{"binary_version":"1.3.1+dfsg-1~ubuntu0.16.04.1+esm2","binary_name":"zstd"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2019-11922","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5593-1.json"}}],"schema_version":"1.7.3"}