{"id":"CVE-2022-0890","summary":"NULL Pointer Dereference in mruby/mruby","details":"NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2.","modified":"2026-08-12T12:59:17.861932Z","published":"2022-03-10T01:10:09Z","related":["openSUSE-SU-2024:12703-1"],"database_specific":{"cna_assigner":"@huntrdev","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0890.json"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/68e09ec1-6cc7-48b8-981d-30f478c70276"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0890.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0890"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"fixed":"87260e7bb1a9edfb2ce9b41549c4142129061ca5"},{"fixed":"da48e7dbb20024c198493b8724adae1b842083aa"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.2"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*"}}],"versions":["3.2.0-rc4","3.2.0-rc3","3.2.0-rc2","3.2.0-rc","3.0.0-preview","1.2.0","1.1.0","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0890.json","vanir_signatures_modified":"2026-08-12T12:59:17Z","vanir_signatures":[{"source":"https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa","target":{"file":"mrbgems/mruby-fiber/src/fiber.c","function":"fiber_switch"},"deprecated":false,"digest":{"function_hash":"248535815067629937863918524944915387236","length":1506},"id":"CVE-2022-0890-649ac386","signature_type":"Function","signature_version":"v1"},{"source":"https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa","target":{"file":"mrbgems/mruby-fiber/src/fiber.c"},"deprecated":false,"digest":{"line_hashes":["223939607037644745280036882512100489274","173758853358397962659912526308701228294","285153068035746412349425476848846059980","299536233392459651338815717218751138222","58575514789846463852510976893924552539","160223404234190633366496997549288511736","326719083390125084276102569572340841377","210381801797972937999180253831723335394","228946019324288234049299668270923772381","17423113548580202317703051954871927238","154002733887095580057730017010893160476","229388804601466596998189688109533756926"],"threshold":0.9},"id":"CVE-2022-0890-cf0117c8","signature_type":"Line","signature_version":"v1"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}