It was discovered that Ruby incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. (CVE-2021-41816)
It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a regular expression denial of service. (CVE-2021-41817)
It was discovered that Ruby incorrectly handled certain cookie names. An attacker could possibly use this issue to access or expose sensitive information. (CVE-2021-41819)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "libruby2.3", "binary_version": "2.3.1-2~ubuntu16.04.16+esm2" }, { "binary_name": "ruby2.3", "binary_version": "2.3.1-2~ubuntu16.04.16+esm2" }, { "binary_name": "ruby2.3-dev", "binary_version": "2.3.1-2~ubuntu16.04.16+esm2" }, { "binary_name": "ruby2.3-tcltk", "binary_version": "2.3.1-2~ubuntu16.04.16+esm2" } ] }
{ "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41817" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41819" } ], "ecosystem": "Ubuntu:Pro:16.04:LTS" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libruby2.5", "binary_version": "2.5.1-1ubuntu1.11" }, { "binary_name": "ruby2.5", "binary_version": "2.5.1-1ubuntu1.11" }, { "binary_name": "ruby2.5-dev", "binary_version": "2.5.1-1ubuntu1.11" } ] }
{ "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41817" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41819" } ], "ecosystem": "Ubuntu:18.04:LTS" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libruby2.7", "binary_version": "2.7.0-5ubuntu1.6" }, { "binary_name": "ruby2.7", "binary_version": "2.7.0-5ubuntu1.6" }, { "binary_name": "ruby2.7-dev", "binary_version": "2.7.0-5ubuntu1.6" } ] }
{ "cves": [ { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41816" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41817" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2021-41819" } ], "ecosystem": "Ubuntu:20.04:LTS" }