{"id":"CVE-2022-4843","aliases":["EUVD-2022-52117","GHSA-2rh3-vh92-3gch","UBUNTU-CVE-2022-4843"],"status":"published","title":"NULL Pointer Dereference in radareorg/radare2","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","severity":{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00739,"percentile":0.5485,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2022-12-29T00:00:00Z","modified":"2026-10-28T10:31:12Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.6-3.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0+dfsg-1","2.0.0+dfsg-1","2.1.0+dfsg-1","2.3.0+dfsg-1","2.3.0+dfsg-2","2.3.0+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1+dfsg-5build1","4.0.0+dfsg-1","4.2.1+dfsg-1","4.2.1+dfsg-2","4.2.1+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0+dfsg-1ubuntu1","5.5.0+dfsg-1.1ubuntu2","5.5.0+dfsg-1.1ubuntu3","5.5.0+dfsg-1.1ubuntu3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","5.9.8+dfsg-2ubuntu0.25.10.1","5.9.8+dfsg-2ubuntu0.25.10.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.7+ds-1","6.1.6+ds-2","6.1.6+ds-3","6.1.8+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","6.0.4+dfsg-1","6.0.7+ds-1"]}],"products":[{"vendor":"radare","product":"radare2"},{"vendor":"radareorg","product":"radareorg/radare2"}],"references":[{"url":"https://huntr.dev/bounties/075b2760-66a0-4d38-b3b5-e9934956ab7f","tags":["x_transferred","Exploit","Patch","Third Party Advisory","web","report"]},{"url":"https://github.com/radareorg/radare2/commit/842f809d4ec6a12af2906f948657281c9ebc8a24","tags":["x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4843","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FOXRDPI3OYYKO4PKXE3XD2IFONL6BCHR/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OFCCTYAD7ASNQ23ABCUPAZHEDEIOCW6T/"},{"url":"https://github.com/advisories/GHSA-2rh3-vh92-3gch"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4843.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-4843","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-4843","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-4843","title":"NULL Pointer Dereference in radareorg/radare2","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T00:00:00Z","modified":"2025-04-09T15:47:07.025Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:37.599536Z"}],"euvd":[{"id":"EUVD-2022-52117","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T00:00:00Z","modified":"2025-04-09T15:47:07Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:38.263259Z"}],"ghsa":[{"id":"GHSA-2rh3-vh92-3gch","title":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T18:30:24Z","modified":"2023-06-18T03:30:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:54:38.89081Z"}],"nvd":[{"id":"CVE-2022-4843","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T18:15:10.08Z","modified":"2026-06-17T05:22:00.533Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:34.388163Z"}],"osv":[{"id":"CVE-2022-4843","title":"NULL Pointer Dereference in radareorg/radare2","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T00:00:00Z","modified":"2026-10-28T10:31:12.658717834Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:27.776402Z"},{"id":"UBUNTU-CVE-2022-4843","description":"NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.8.2.","status":"published","published":"2022-12-29T18:15:00Z","modified":"2026-10-17T12:56:22.915913833Z","cvss":[{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:56.473586Z"}]}}