{"id":"CVE-2022-0481","summary":"NULL Pointer Dereference in mruby/mruby","details":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","modified":"2026-08-12T12:49:19.565627Z","published":"2022-02-04T22:33:00Z","related":["openSUSE-SU-2024:11834-1"],"database_specific":{"cna_assigner":"@huntrdev","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0481.json"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/54725c8c-87f4-41b6-878c-01d8e0ee7027"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0481.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0481"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"fixed":"87260e7bb1a9edfb2ce9b41549c4142129061ca5"},{"fixed":"ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e"}],"database_specific":{"cpe":"cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"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":{"vanir_signatures_modified":"2026-08-12T12:49:19Z","vanir_signatures":[{"target":{"file":"mrbgems/mruby-compiler/core/codegen.c"},"deprecated":false,"digest":{"line_hashes":["65251094017747054696574950967279466972","149557534029695174909841093262885926405","239994894420660623504789901265894378299","8161099728401165533228283133619408604","131655888054924282864627581707735239487","176052129860508564888943615711538511549","288156821055742336443962440947373185778","283342148383856369913499303057220069717"],"threshold":0.9},"id":"CVE-2022-0481-87940fd9","signature_type":"Line","signature_version":"v1","source":"https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e"},{"source":"https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e","target":{"file":"mrbgems/mruby-compiler/core/codegen.c","function":"gen_hash"},"deprecated":false,"digest":{"function_hash":"45982939882261723834382504391570358651","length":1261},"id":"CVE-2022-0481-f91558b9","signature_type":"Function","signature_version":"v1"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0481.json"}}],"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"}]}