{"id":"CVE-2023-5686","aliases":["EUVD-2023-57976","GHSA-39v7-36rj-8jh4","MGASA-2024-0044","UBUNTU-CVE-2023-5686"],"status":"published","title":"Heap-based Buffer Overflow in radareorg/radare2","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","severity":{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.008,"percentile":0.56819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-10-20T16:22:42Z","modified":"2026-10-28T10:40:41Z","affected":[{"source":"osv","ecosystem":"Mageia:9","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.8.8-1.1.mga9"}]}],"bundled":2},{"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":"fedoraproject","product":"fedora"},{"vendor":"radare","product":"radare2"},{"vendor":"radareorg","product":"radareorg/radare2"}],"references":[{"url":"https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0","tags":["x_transferred","Exploit","Patch","Third Party Advisory","web","report"]},{"url":"https://github.com/radareorg/radare2/commit/1bdda93e348c160c84e30da3637acef26d0348de","tags":["x_transferred","Patch","fix"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/","tags":["x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/","tags":["x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5686","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-39v7-36rj-8jh4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5686.json","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2024-0044.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=32521","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-5686","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-5686","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-5686","title":"Heap-based Buffer Overflow in radareorg/radare2","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T16:22:42.339Z","modified":"2025-02-13T17:25:42.996Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57976","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T16:22:42Z","modified":"2025-02-13T17:25:42Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:03:48.029386Z"}],"ghsa":[{"id":"GHSA-39v7-36rj-8jh4","title":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T18:30:57Z","modified":"2023-11-14T03:30:53Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:55:00.635955Z"}],"nvd":[{"id":"CVE-2023-5686","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T17:15:08.747Z","modified":"2026-06-17T06:49:06.55Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:08:39.058878Z"}],"osv":[{"id":"CVE-2023-5686","title":"Heap-based Buffer Overflow in radareorg/radare2","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T16:22:42.339Z","modified":"2026-10-28T10:40:41.074562079Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"UBUNTU-CVE-2023-5686","description":"Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.","status":"published","published":"2023-10-20T17:15:00Z","modified":"2026-10-17T12:56:27.74477843Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:41.555387Z"},{"id":"MGASA-2024-0044","title":"Updated radare2 packages fix security vulnerabilities","description":"This update fixes two security issues:\nCVE-2023-4322 - heap-buffer-overflow in the brainfuck dissassembler\nCVE-2023-5686 - heap-buffer-overflow in /radare2/shlr/java/code.c\n","status":"published","published":"2024-02-19T18:16:13Z","modified":"2026-04-16T04:43:55.53154993Z","updated_at":"2026-11-02T15:49:42.684501Z"}]}}