{"id":"CVE-2021-32495","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32495","generatedAt":"2026-10-27T23:28:40.647Z","title":"Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function.","description":"Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.\n\n","published":"2023-07-07T19:15:10.000Z","lastModified":"2026-06-17T03:53:04.000Z","status":"Modified","sourceIdentifier":"patrick@puiterwijk.org","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-416"],"affected":["radare/radare2"],"epss":{"score":0.00769,"percentile":0.55318,"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 (0.77%). 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/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05","tags":["Patch","Vendor Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://github.com/radareorg/radare2/issues/18666","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/radareorg/radare2/issues/18666","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32495","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."}