{"schemaVersion":3,"id":"CVE-2026-42371","aliases":["RHSA-2026:12430","UBUNTU-CVE-2026-42371","DEBIAN-CVE-2026-42371"],"status":"published","duplicateOf":null,"title":null,"description":"uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.","dates":{"published":"2026-04-27T05:50:36.185Z","modified":"2026-04-27T14:41:22.410Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Red hat","score":4.7,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":2.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":3.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":3.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00163,"percentile":0.05173,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.009000000000000001,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00172},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00163,"percentile":0.05173}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00172,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00163,"percentile":0.05173}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-197","name":"Numeric Truncation Error","description":"Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"Low","url":"https://cwe.mitre.org/data/definitions/197.html"}],"affected":[{"vendor":"debian","product":"uriparser","name":"uriparser","label":"uriparser","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/uriparser","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 1.0.1+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 1.0.1+dfsg-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"uriparser","name":"uriparser","label":"uriparser","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/uriparser","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"redhat","product":"mingw32-uriparser","name":"mingw32-uriparser","label":"mingw32-uriparser","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/mingw32-uriparser","purlType":"rpm","versions":[{"text":"< 0:1.0.1-1.hum1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.0.1-1.hum1","eol":null,"hubHref":null},{"vendor":"redhat","product":"mingw64-uriparser","name":"mingw64-uriparser","label":"mingw64-uriparser","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/mingw64-uriparser","purlType":"rpm","versions":[{"text":"< 0:1.0.1-1.hum1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.0.1-1.hum1","eol":null,"hubHref":null},{"vendor":"redhat","product":"uriparser","name":"uriparser","label":"uriparser","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/uriparser","purlType":"rpm","versions":[{"text":"< 0:1.0.1-1.hum1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.0.1-1.hum1","eol":null,"hubHref":null},{"vendor":"redhat","product":"uriparser-devel","name":"uriparser-devel","label":"uriparser-devel","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/uriparser-devel","purlType":"rpm","versions":[{"text":"< 0:1.0.1-1.hum1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.0.1-1.hum1","eol":null,"hubHref":null},{"vendor":"redhat","product":"uriparser-doc","name":"uriparser-doc","label":"uriparser-doc","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/uriparser-doc","purlType":"rpm","versions":[{"text":"< 0:1.0.1-1.hum1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:1.0.1-1.hum1","eol":null,"hubHref":null},{"vendor":"uriparser_project","product":"uriparser","name":"uriparser","label":"uriparser","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.1","eol":null,"hubHref":"/vendor/uriparser_project/uriparser"},{"vendor":"uriparser","product":"uriparser","name":"uriparser","label":"uriparser","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.1","eol":null,"hubHref":"/vendor/uriparser/uriparser"}],"affectedCount":9,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/uriparser/uriparser/pull/298","label":"github.com/uriparser/uriparser/pull/298","hostname":"github.com","tags":["ARTICLE","REPORT","Issue Tracking","Patch"]},{"url":"https://uriparser.github.io","label":"uriparser.github.io","hostname":"uriparser.github.io","tags":["ARTICLE","Product"]},{"url":"http://www.openwall.com/lists/oss-security/2026/04/27/2","label":"www.openwall.com/lists/oss-security/2026/04/27/2","hostname":"www.openwall.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:12430","label":"access.redhat.com/errata/RHSA-2026:12430","hostname":"access.redhat.com","tags":["Advisory"]},{"url":"https://images.redhat.com/","label":"images.redhat.com","hostname":"images.redhat.com","tags":["ARTICLE"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-42371","label":"access.redhat.com/security/cve/CVE-2026-42371","hostname":"access.redhat.com","tags":["REPORT"]},{"url":"https://access.redhat.com/security/updates/classification/","label":"access.redhat.com/security/updates/classification/","hostname":"access.redhat.com","tags":["ARTICLE"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_12430.json","label":"security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_12430.json","hostname":"security.access.redhat.com","tags":["Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463159","label":"bugzilla.redhat.com/show_bug.cgi?id=2463159","hostname":"bugzilla.redhat.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42371","label":"www.cve.org/CVERecord?id=CVE-2026-42371","hostname":"www.cve.org","tags":["Advisory","REPORT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42371","label":"nvd.nist.gov/vuln/detail/CVE-2026-42371","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-42371","label":"ubuntu.com/security/CVE-2026-42371","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-42371","label":"security-tracker.debian.org/tracker/CVE-2026-42371","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2026:10747-1","OPENSUSE-SU-2026:11049-1","OPENSUSE-SU-2026:21297-1","SUSE-SU-2026:22627-1","SUSE-SU-2026:3021-1"],"duplicates":[],"related":["OPENSUSE-SU-2026:10747-1","OPENSUSE-SU-2026:11049-1","OPENSUSE-SU-2026:21297-1","SUSE-SU-2026:22627-1","SUSE-SU-2026:3021-1"]},"timeline":[{"kind":"published","date":"2026-04-27T05:50:36.185Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T14:41:22.410Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":20,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T08:08:22.158Z","stale":false,"partial":false}}