CVE-2022-28739

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "D618D4E6-CE8B-496E-A77B-E054B0BAFAB0", "versionEndExcluding": "2.6.10", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "A4FCE84E-311F-4B95-BF2D-8A165DE3A2C8", "versionEndExcluding": "2.7.6", "versionStartIncluding": "2.7.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "3BD89956-E0A9-46F1-BA21-48C29B7CF634", "versionEndExcluding": "3.0.4", "versionStartIncluding": "3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "D78DCF3F-3444-4E43-B278-30E6A905D315", "versionEndExcluding": "3.1.2", "versionStartIncluding": "3.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "D832A844-E337-4151-83EF-FAEF32377223", "versionEndExcluding": "11.7.1", "versionStartIncluding": "11.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "0DAECB4D-F46A-4E96-99DE-769E397C77E4", "versionEndExcluding": "12.6.1", "versionStartIncluding": "12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f."}, {"lang": "es", "value": "Se presenta una lectura excesiva del b\u00fafer en Ruby versiones anteriores a 2.6.10, 2.7.x versiones anteriores a 2.7.6, 3.x versiones anteriores a 3.0.4 y 3.1.x versiones anteriores a 3.1.2. Es producida en la conversi\u00f3n String-to-Float, incluyendo Kernel#Float y String#to_f"}], "id": "CVE-2022-28739", "lastModified": "2026-06-17T04:38:56.890", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-09T18:15:08.540", "references": [{"source": "cve@mitre.org", "url": "http://seclists.org/fulldisclosure/2022/Oct/28"}, {"source": "cve@mitre.org", "url": "http://seclists.org/fulldisclosure/2022/Oct/29"}, {"source": "cve@mitre.org", "url": "http://seclists.org/fulldisclosure/2022/Oct/30"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Oct/41"}, {"source": "cve@mitre.org", "url": "http://seclists.org/fulldisclosure/2022/Oct/42"}, {"source": "cve@mitre.org", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1248108"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html"}, {"source": 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"nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5338", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.6-8060020220527104428.ad008a3a", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-30T00:00:00Z"}, {"advisory": "RHSA-2022:6447", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.7-8060020220728151401.ad008a3a", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-09-13T00:00:00Z"}, {"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-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-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"}, {"advisory": "RHSA-2022:6856", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby27-ruby-0:2.7.6-131.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-10-11T00:00:00Z"}], "bugzilla": {"description": "ruby: Buffer overrun in String-to-Float conversion", "id": "2075687", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2075687"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-125", "details": ["There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.", "A buffer overrun vulnerability was found in Ruby. The issue occurs in a conversion algorithm from a String to a Float that causes process termination due to a segmentation fault, but under limited circumstances. This flaw may cause an illegal memory read."], "name": "CVE-2022-28739", "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": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-04-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-28739\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-28739\nhttp://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/"], "threat_severity": "Moderate"}

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