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{"affected_release": [{"advisory": "RHSA-2022:6450", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:3.0-8060020220810162001.ad008a3a", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-09-13T00:00:00Z"}, {"advisory": "RHSA-2022:6585", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ruby-0:3.0.4-160.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-09-20T00:00:00Z"}, {"advisory": "RHSA-2022:6855", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby30-ruby-0:3.0.4-149.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-10-11T00:00:00Z"}], "bugzilla": {"description": "Ruby: Double free in Regexp compilation", "id": "2075685", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2075685"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-415", "details": ["A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.", "A double-free vulnerability was found in Ruby. The issue occurs during Regexp compilation. This flaw allows an attacker to create a Regexp object with a crafted source string that could cause the same memory to be freed twice."], "name": "CVE-2022-28738", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ruby:2.5/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ruby:2.6/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ruby:2.7/ruby", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-ruby27-ruby", "product_name": "Red Hat Software Collections"}], "public_date": "2022-04-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-28738\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-28738\nhttp://www.ruby-lang.org/en/news/2022/04/12/double-free-in-regexp-compilation-cve-2022-28738/"], "statement": "Ruby 2.6 series and 2.7 series are not affected.", "threat_severity": "Moderate", "upstream_fix": "ruby 3.0.4, ruby 3.1.2"}