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{"affected_release": [{"advisory": "RHSA-2023:3821", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.7-8080020230427102918.63b34585", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-06-27T00:00:00Z"}, {"advisory": "RHSA-2023:7025", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.5-8090020230627084142.b46abd14", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2024:1431", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:3.1-8090020240311122605.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:3500", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:3.0-8100020240522072634.489197e6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-30T00:00:00Z"}, {"advisory": "RHSA-2024:1576", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ruby:3.1-9030020240320163942.9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-01T00:00:00Z"}, {"advisory": "RHSA-2024:3838", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ruby-0:3.0.7-162.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-06-11T00:00:00Z"}, {"advisory": "RHSA-2023:3291", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby27-ruby-0:2.7.8-132.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2023-05-24T00:00:00Z"}], "bugzilla": {"description": "ruby: ReDoS vulnerability in Time", "id": "2184061", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2184061"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-20", "details": ["A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.", "A flaw was found in the Time gem and Time library of Ruby. The Time parser mishandles invalid strings with specific characters and causes an increase in execution time for parsing strings to Time objects. This issue may result in a Regular expression denial of service (ReDoS)."], "name": "CVE-2023-28756", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "ruby:2.6/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-ruby30-ruby", "product_name": "Red Hat Software Collections"}], "public_date": "2023-03-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-28756\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-28756\nhttps://www.ruby-lang.org/en/news/2023/03/30/redos-in-time-cve-2023-28756/"], "threat_severity": "Moderate"}