{"id":"CVE-2020-8432","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-8432","generatedAt":"2026-10-27T21:18:58.088Z","title":"Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code.","description":"In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.","published":"2020-01-29T19:15:14.000Z","lastModified":"2026-06-17T03:26:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-415","CWE-787"],"affected":["denx/u-boot","opensuse/leap"],"epss":{"score":0.03065,"percentile":0.87537,"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 (3.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html","source":"cve@mitre.org"},{"url":"https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-8432","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."}