{"id":"CVE-2020-27794","details":"A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.","modified":"2026-04-11T11:23:32.439948Z","published":"2022-08-19T23:15:08.427Z","references":[{"type":"FIX","url":"https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683"},{"type":"FIX","url":"https://github.com/radareorg/radare2/issues/16303"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/radare/radare2","events":[{"introduced":"0"},{"fixed":"9ea0b7ce566cfdcfb3513f407c4056915204294a"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.4.0"}]}},{"type":"GIT","repo":"https://github.com/radareorg/radare2","events":[{"introduced":"0"},{"fixed":"cb8b683758edddae2d2f62e8e63a738c39f92683"}]}],"versions":["0.10.0","0.10.1","0.10.2","0.10.3","0.10.4","0.10.4-termux4","0.10.5","0.10.6","0.8.6","0.8.8","0.9","0.9.2","0.9.4","0.9.6","0.9.7","0.9.8","0.9.8-rc1","0.9.8-rc2","0.9.8-rc3","0.9.8-rc4","0.9.9","1.0","1.0.0","1.0.1","1.0.2","1.1.0","1.2.0","1.2.0-git","1.3.0","1.3.0-git","1.4.0","1.5.0","1.6.0","2.0.0","2.0.1","2.1.0","2.2.0","2.4.0","2.5.0","2.6.0","2.6.9","2.7.0","2.8.0","2.9.0","3.0.0","3.0.1","3.1.0","3.1.1","3.1.2","3.1.3","3.2.0","3.2.1","3.3.0","3.4.0","3.4.1","3.5.0","3.5.1","3.6.0","3.7.0","3.7.1","3.8.0","3.9.0","4.0.0","4.1.0","4.1.1","4.2.0","4.2.1","4.3.0","4.3.1","Continuous-Windows","continuous","radare2-windows-nightly","termux"],"database_specific":{"vanir_signatures":[{"target":{"function":"fcn_recurse","file":"libr/anal/fcn.c"},"source":"https://github.com/radare/radare2/commit/9ea0b7ce566cfdcfb3513f407c4056915204294a","deprecated":false,"id":"CVE-2020-27794-231ef07b","digest":{"length":19258,"function_hash":"244292947791401580523619951343614918559"},"signature_type":"Function","signature_version":"v1"},{"target":{"file":"libr/core/core.c"},"source":"https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683","deprecated":false,"id":"CVE-2020-27794-510853db","digest":{"threshold":0.9,"line_hashes":["138568200380101474515248173706066320134","43673779240921768190295865062265256293","305284281041900347841736532953622015948","195673597347979343343427150668442446800"]},"signature_type":"Line","signature_version":"v1"},{"target":{"file":"libr/anal/fcn.c"},"source":"https://github.com/radare/radare2/commit/9ea0b7ce566cfdcfb3513f407c4056915204294a","deprecated":false,"id":"CVE-2020-27794-dd8f2939","digest":{"threshold":0.9,"line_hashes":["274805908220688149522755239760777672229","119466392069489334944469399236725859120","33443597288417089084816862781691635747","274718893259183668102575589565194103045"]},"signature_type":"Line","signature_version":"v1"}],"vanir_signatures_modified":"2026-04-11T11:23:32Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27794.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}