It was discovered that libzstd incorrectly handled file permissions. A local attacker could possibly use this issue to access certain files, contrary to expectations.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.3.3+dfsg-2ubuntu1.2", "binary_name": "libzstd-dev" }, { "binary_version": "1.3.3+dfsg-2ubuntu1.2", "binary_name": "libzstd1" }, { "binary_version": "1.3.3+dfsg-2ubuntu1.2", "binary_name": "libzstd1-dev" }, { "binary_version": "1.3.3+dfsg-2ubuntu1.2", "binary_name": "zstd" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:18.04:LTS", "cves": [ { "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N" }, { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2021-24031" }, { "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N" }, { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2021-24032" } ] } }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.4.4+dfsg-3ubuntu0.1", "binary_name": "libzstd-dev" }, { "binary_version": "1.4.4+dfsg-3ubuntu0.1", "binary_name": "libzstd1" }, { "binary_version": "1.4.4+dfsg-3ubuntu0.1", "binary_name": "zstd" } ] }
{ "cves_map": { "ecosystem": "Ubuntu:20.04:LTS", "cves": [ { "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N" }, { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2021-24031" }, { "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N" }, { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2021-24032" } ] } }