{"id":"CVE-2023-5686","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-5686","generatedAt":"2026-10-28T01:49:24.798Z","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.","published":"2023-10-20T17:15:09.000Z","lastModified":"2026-06-17T06:49:07.000Z","status":"Modified","sourceIdentifier":"security@huntr.dev","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["radare/radare2","fedoraproject/fedora"],"epss":{"score":0.008,"percentile":0.56299,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/radareorg/radare2/commit/1bdda93e348c160c84e30da3637acef26d0348de","tags":["Patch"],"source":"security@huntr.dev"},{"url":"https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0","tags":["Exploit","Patch","Third Party Advisory"],"source":"security@huntr.dev"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/","tags":["Mailing List","Third Party Advisory"],"source":"security@huntr.dev"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/","tags":["Mailing List","Third Party Advisory"],"source":"security@huntr.dev"},{"url":"https://github.com/radareorg/radare2/commit/1bdda93e348c160c84e30da3637acef26d0348de","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://huntr.com/bounties/bbfe1f76-8fa1-4a8c-909d-65b16e970be0","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/64KUV6OGEVQ75QOV35PUVVDOJTKSJHYN/","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOZ6XCADVAPAIHMVSV3FUAN742BHXF55/","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-5686","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}