{"id":"CVE-2020-27795","aliases":["ALPINE-CVE-2020-27795","EUVD-2020-20297","GHSA-r23c-h6ff-98mj","UBUNTU-CVE-2020-27795"],"status":"published","title":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when...","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0155,"percentile":0.75265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-908"],"published":"2022-08-19T22:36:00Z","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:18.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0+dfsg-1","2.0.0+dfsg-1","2.1.0+dfsg-1","2.3.0+dfsg-1","2.3.0+dfsg-2","2.3.0+dfsg-2ubuntu0.1~esm1"]},{"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/16215","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/radareorg/radare2/pull/16230","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27795"},{"url":"https://github.com/advisories/GHSA-r23c-h6ff-98mj"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-27795","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-27795","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27795","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T22:36:00Z","modified":"2024-08-04T16:25:43.777Z","cwes":["CWE-908"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20297","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T22:36:00Z","modified":"2024-08-04T16:25:43Z","updated_at":"2026-11-03T03:07:11.950168Z"}],"ghsa":[{"id":"GHSA-r23c-h6ff-98mj","title":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when...","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-20T00:00:30Z","modified":"2023-01-27T05:04:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:42:23.611991Z"}],"nvd":[{"id":"CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T23:15:08.487Z","modified":"2026-06-17T03:09:39.38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:06:46.951463Z"}],"osv":[{"id":"ALPINE-CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T23:15:08.487Z","modified":"2026-11-03T06:32:37.259090344Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T23:15:08.487Z","modified":"2026-10-20T14:08:50.49512882Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"UBUNTU-CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --\u003e RAnalFunction *fcn = r_anal_get_fcn_in (core-\u003eanal, core-\u003eoffset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","status":"published","published":"2022-08-19T23:15:00Z","modified":"2026-04-22T12:38:19.946145Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"}]}}