{"id":"CVE-2020-27794","aliases":["ALPINE-CVE-2020-27794","EUVD-2020-20296","GHSA-wjh8-mh8q-qg7h","UBUNTU-CVE-2020-27794"],"status":"published","title":"A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation...","description":"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.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0114,"percentile":0.67039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-415"],"published":"2022-08-19T22:44:29Z","modified":"2026-11-03T06:32:37Z","fixes":[{"ecosystem":"Alpine:v3.18","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"radare2","fixed_in":["4.4.0-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.18","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-r0"}]}]},{"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: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"]}],"products":[{"vendor":"radare","product":"radare2"},{"vendor":"radare2","product":"radare2"}],"references":[{"url":"https://github.com/radareorg/radare2/issues/16303","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27794"},{"url":"https://github.com/advisories/GHSA-wjh8-mh8q-qg7h"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-27794","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-27794","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27794","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-27794","description":"A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). 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Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.","status":"published","published":"2022-08-19T23:15:08.427Z","modified":"2026-11-03T06:32:37.260169753Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"CVE-2020-27794","description":"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.","status":"published","published":"2022-08-19T23:15:08.427Z","modified":"2026-10-20T14:08:50.903845249Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"UBUNTU-CVE-2020-27794","description":"A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). 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