{"id":"USN-6219-1","summary":"ruby2.3, ruby2.5, ruby2.7, ruby3.0, ruby3.1 vulnerabilities","details":"It was discovered that Ruby incorrectly handled certain regular expressions.\nAn attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 20.10 and Ubuntu 20.04 LTS.\n(CVE-2023-28755)\n\nIt was discovered that Ruby incorrectly handled certain regular expressions.\nAn attacker could possibly use this issue to cause a denial of service.\nThis issue exists because of an incomplete fix for CVE-2023-28755.\n(CVE-2023-36617)\n","modified":"2026-02-10T04:43:11Z","published":"2023-07-12T14:47:58Z","related":["UBUNTU-CVE-2023-28755","UBUNTU-CVE-2023-36617"],"upstream":["CVE-2023-28755","CVE-2023-36617","UBUNTU-CVE-2023-28755","UBUNTU-CVE-2023-36617"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6219-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-28755"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-36617"}],"affected":[{"package":{"name":"ruby2.3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.16+esm8?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-2~ubuntu16.04.16+esm8"}]}],"versions":["2.3.0-1","2.3.0-2","2.3.0-4ubuntu2","2.3.0-4ubuntu3","2.3.0-5ubuntu1","2.3.1-2~16.04","2.3.1-2~16.04.2","2.3.1-2~16.04.4","2.3.1-2~16.04.5","2.3.1-2~16.04.6","2.3.1-2~16.04.7","2.3.1-2~16.04.9","2.3.1-2~16.04.10","2.3.1-2~16.04.11","2.3.1-2~16.04.12","2.3.1-2~ubuntu16.04.13","2.3.1-2~ubuntu16.04.14","2.3.1-2~ubuntu16.04.15","2.3.1-2~ubuntu16.04.16","2.3.1-2~ubuntu16.04.16+esm1","2.3.1-2~ubuntu16.04.16+esm2","2.3.1-2~ubuntu16.04.16+esm3","2.3.1-2~ubuntu16.04.16+esm4","2.3.1-2~ubuntu16.04.16+esm5","2.3.1-2~ubuntu16.04.16+esm6","2.3.1-2~ubuntu16.04.16+esm7"],"ecosystem_specific":{"binaries":[{"binary_name":"libruby2.3","binary_version":"2.3.1-2~ubuntu16.04.16+esm8"},{"binary_name":"ruby2.3","binary_version":"2.3.1-2~ubuntu16.04.16+esm8"},{"binary_name":"ruby2.3-dev","binary_version":"2.3.1-2~ubuntu16.04.16+esm8"},{"binary_name":"ruby2.3-tcltk","binary_version":"2.3.1-2~ubuntu16.04.16+esm8"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6219-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2023-36617","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"ruby2.5","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.16+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.1-1ubuntu1.16+esm1"}]}],"versions":["2.5.0~preview1-1ubuntu2","2.5.0-4ubuntu1","2.5.0-4ubuntu4","2.5.0-5ubuntu1","2.5.0-6ubuntu1","2.5.1-1ubuntu1","2.5.1-1ubuntu1.1","2.5.1-1ubuntu1.2","2.5.1-1ubuntu1.4","2.5.1-1ubuntu1.5","2.5.1-1ubuntu1.6","2.5.1-1ubuntu1.7","2.5.1-1ubuntu1.8","2.5.1-1ubuntu1.9","2.5.1-1ubuntu1.10","2.5.1-1ubuntu1.11","2.5.1-1ubuntu1.12","2.5.1-1ubuntu1.13","2.5.1-1ubuntu1.14","2.5.1-1ubuntu1.15","2.5.1-1ubuntu1.16"],"ecosystem_specific":{"binaries":[{"binary_name":"libruby2.5","binary_version":"2.5.1-1ubuntu1.16+esm1"},{"binary_name":"ruby2.5","binary_version":"2.5.1-1ubuntu1.16+esm1"},{"binary_name":"ruby2.5-dev","binary_version":"2.5.1-1ubuntu1.16+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6219-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-36617","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"ruby2.7","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.12?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0-5ubuntu1.12"}]}],"versions":["2.7.0-1","2.7.0-2","2.7.0-3","2.7.0-4","2.7.0-4ubuntu1","2.7.0-5ubuntu1","2.7.0-5ubuntu1.1","2.7.0-5ubuntu1.2","2.7.0-5ubuntu1.3","2.7.0-5ubuntu1.4","2.7.0-5ubuntu1.5","2.7.0-5ubuntu1.6","2.7.0-5ubuntu1.7","2.7.0-5ubuntu1.8","2.7.0-5ubuntu1.9","2.7.0-5ubuntu1.10","2.7.0-5ubuntu1.11"],"ecosystem_specific":{"binaries":[{"binary_name":"libruby2.7","binary_version":"2.7.0-5ubuntu1.12"},{"binary_name":"ruby2.7","binary_version":"2.7.0-5ubuntu1.12"},{"binary_name":"ruby2.7-dev","binary_version":"2.7.0-5ubuntu1.12"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6219-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-36617","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"ruby3.0","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ruby3.0@3.0.2-7ubuntu2.4?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2-7ubuntu2.4"}]}],"versions":["3.0.2-5ubuntu1","3.0.2-7","3.0.2-7ubuntu2","3.0.2-7ubuntu2.1","3.0.2-7ubuntu2.2","3.0.2-7ubuntu2.3"],"ecosystem_specific":{"binaries":[{"binary_name":"libruby3.0","binary_version":"3.0.2-7ubuntu2.4"},{"binary_name":"ruby3.0","binary_version":"3.0.2-7ubuntu2.4"},{"binary_name":"ruby3.0-dev","binary_version":"3.0.2-7ubuntu2.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6219-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-28755","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-36617","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}