{"id":"CVE-2022-4843","summary":"NULL Pointer Dereference in radareorg/radare2","details":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","modified":"2026-08-12T13:32:21.146811Z","published":"2022-12-29T00:00:00Z","database_specific":{"cna_assigner":"@huntrdev","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4843.json"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4843.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4843"},{"type":"FIX","url":"https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/radareorg/radare2","events":[{"introduced":"0"},{"fixed":"0b6793f37d9dae5b43fa96beae93008e197dc87a"},{"fixed":"842f809d4ec6a12af2906f948657281c9ebc8a24"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"5.8.2"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*"}}],"versions":["5.8.0","5.7.8","5.7.6","5.7.4","5.7.2","5.7.0","wip","5.6.8","5.6.6","5.6.4","5.6.2","5.6.0","5.5.4","5.5.2","5.5.0","5.4.2","5.4.0","5.4.0-git","5.3.1","5.3.0","5.2.1","5.2.0","5.1.1","5.1.0","release-5.0.0","5.0.0","4.5.1","4.4.0","4.3.1","Continuous-Windows","4.3.0","continuous","4.2.1","4.2.0","4.1.1","4.1.0","4.0.0","3.9.0","3.8.0","3.7.1","3.7.0","3.6.0","3.5.1","3.5.0","3.4.1","3.4.0","3.3.0","3.2.1","3.2.0","3.1.3","3.1.2","3.1.1","3.1.0","3.0.1","3.0.0","2.9.0","2.8.0","2.7.0","2.6.9","2.6.0","2.5.0","2.4.0","2.2.0","2.1.0","2.0.1","2.0.0","1.6.0","1.5.0","1.4.0","1.3.0","1.3.0-git","1.2.0","1.2.0-git","1.1.0","1.0.2","1.0.1","1.0.0","1.0","0.10.6","0.10.5","0.10.4-termux4","termux","0.10.4","0.10.3","0.10.2","0.10.1","0.10.0","radare2-windows-nightly","0.9.9","0.9.8","0.9.8-rc4","0.9.8-rc3","0.9.8-rc2","0.9.8-rc1","0.9.7","0.9.6","0.9.4","0.9.2","0.9","0.8.8","0.8.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4843.json","vanir_signatures_modified":"2026-08-12T13:32:21Z","vanir_signatures":[{"id":"CVE-2022-4843-3c3f5d5c","signature_type":"Function","signature_version":"v1","source":"https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24","target":{"file":"libr/io/io_bank.c","function":"r_io_bank_read_at"},"deprecated":false,"digest":{"function_hash":"155550554987984443771578582495562192390","length":1396}},{"signature_type":"Line","signature_version":"v1","source":"https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24","target":{"file":"libr/io/io_bank.c"},"deprecated":false,"digest":{"line_hashes":["154369132154693638787138016307367823921","212178319347754709566067058395344577742","2662695653166470736141967389800536741","270696645743170678348839348649936569801","32374254550487342040625381818411545163","287130075676604774151187403100807986980","21599200993988932406593007206533771109","17037651694978064971403165241833728078"],"threshold":0.9},"id":"CVE-2022-4843-40b71097"},{"signature_version":"v1","source":"https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24","target":{"file":"libr/io/io_bank.c","function":"r_io_bank_read_from_submap_at"},"deprecated":false,"digest":{"function_hash":"170012073683920924913397343895952061708","length":1002},"id":"CVE-2022-4843-aef2e511","signature_type":"Function"}]}}],"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:L/A:L"}]}