{"api_version":"1","generated_at":"2026-09-12T13:40:40+00:00","cve":"CVE-2026-79590","urls":{"html":"https://cve.report/CVE-2026-79590","api":"https://cve.report/api/cve/CVE-2026-79590.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-79590","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-79590"},"summary":{"title":"CVE-2026-79590","description":"A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that triggers the parser to pass a NULL pointer to nonnull string handling functions, resulting in undefined behavior and application crash.","state":"PUBLISHED","assigner":"mitre","published_at":"2026-09-10 22:17:00","updated_at":"2026-09-10 22:17:00"},"problem_types":["n/a"],"metrics":[],"references":[{"url":"https://github.com/mruby/mruby/issues/7032","name":"https://github.com/mruby/mruby/issues/7032","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/takumin/mruby/commit/c6866eed4ad5640b552ba79d16063e7ec70a0ac9","name":"https://github.com/takumin/mruby/commit/c6866eed4ad5640b552ba79d16063e7ec70a0ac9","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79590","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79590","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"79590","cve":"CVE-2026-79590","epss":"0.001550000","percentile":"0.049790000","score_date":"2026-09-11","updated_at":"2026-09-12 00:05:15"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that triggers the parser to pass a NULL pointer to nonnull string handling functions, resulting in undefined behavior and application crash."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2026-09-10T21:49:52.229Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://github.com/mruby/mruby/issues/7032"},{"url":"https://github.com/takumin/mruby/commit/c6866eed4ad5640b552ba79d16063e7ec70a0ac9"}]}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2026-79590","datePublished":"2026-09-10T00:00:00.000Z","dateReserved":"2026-08-25T00:00:00.000Z","dateUpdated":"2026-09-10T21:49:52.229Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-10 22:17:00","lastModifiedDate":"2026-09-10 22:17:00","problem_types":["n/a"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"79590","Ordinal":"1","Title":"CVE-2026-79590","CVE":"CVE-2026-79590","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"79590","Ordinal":"1","NoteData":"A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that triggers the parser to pass a NULL pointer to nonnull string handling functions, resulting in undefined behavior and application crash.","Type":"Description","Title":"CVE-2026-79590"}]}}}