{"id":"CVE-2020-17487","aliases":["ALPINE-CVE-2020-17487","EUVD-2020-9437","GHSA-m3m4-q36r-mrf5","MGASA-2021-0160","UBUNTU-CVE-2020-17487"],"status":"published","title":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in...","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","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":0.01886,"percentile":0.79661,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-08-11T19:43:59Z","modified":"2026-11-03T06:32:24Z","fixes":[{"ecosystem":"Alpine:v3.18","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"radare2","fixed_in":["4.5.1-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.18","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.1-r0"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1-1.mga7"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:7","package":"radare2-cutter","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.1-1.mga7"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:8","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.1-1.mga8"}]}],"bundled":2},{"source":"osv","ecosystem":"Mageia:8","package":"radare2-cutter","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.1-1.mga8"}]}],"bundled":2},{"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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0+dfsg-1ubuntu1","5.5.0+dfsg-1.1ubuntu2","5.5.0+dfsg-1.1ubuntu3","5.5.0+dfsg-1.1ubuntu3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","5.9.8+dfsg-2ubuntu0.25.10.1","5.9.8+dfsg-2ubuntu0.25.10.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.7+ds-1","6.1.6+ds-2","6.1.6+ds-3","6.1.8+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","6.0.4+dfsg-1","6.0.7+ds-1"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"radare","product":"radare2"}],"references":[{"url":"https://github.com/radareorg/radare2/issues/17431","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17487"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ/"},{"url":"https://github.com/advisories/GHSA-m3m4-q36r-mrf5"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-17487","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0160.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28476","tags":["report"]},{"url":"https://github.com/rizinorg/cutter/releases/tag/v1.12.0","tags":["web"]},{"url":"https://github.com/radareorg/r2cutter/releases/tag/0.1.0","tags":["web"]},{"url":"https://github.com/radareorg/r2cutter/releases/tag/0.1.1","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-17487","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-17487","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-17487","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T19:43:59Z","modified":"2024-08-04T14:00:47.495Z","updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9437","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T19:43:59Z","modified":"2024-08-04T14:00:47Z","updated_at":"2026-11-03T03:07:26.951665Z"}],"ghsa":[{"id":"GHSA-m3m4-q36r-mrf5","title":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in...","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2022-05-24T17:25:19Z","modified":"2023-01-29T05:03:42Z","updated_at":"2026-11-02T14:45:22.75476Z"}],"nvd":[{"id":"CVE-2020-17487","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T20:15:13.15Z","modified":"2026-06-17T02:59:00.553Z","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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"ALPINE-CVE-2020-17487","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T20:15:13.15Z","modified":"2026-11-03T06:32:24.578563129Z","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":"2026-11-03T07:17:57.723967Z"},{"id":"CVE-2020-17487","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T20:15:13.15Z","modified":"2026-10-20T10:52:01.745197005Z","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":"2026-11-02T15:44:15.212689Z"},{"id":"UBUNTU-CVE-2020-17487","description":"radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.","status":"published","published":"2020-08-11T20:15:00Z","modified":"2026-10-17T12:52:39.307503436Z","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":"2026-11-02T15:54:23.344108Z"},{"id":"MGASA-2021-0160","title":"Updated radare2 packages fix security vulnerabilities","description":"radare2 4.5.0 misparses DWARF information in executable files, causing a\nsegmentation fault in parse_typedef in type_dwarf.c via a malformed DW_AT_name\nin the .debug_info section (CVE-2020-16269).\n\nradare2 4.5.0 misparses signature information in PE files, causing a\nsegmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c.\nThis is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY\n(CVE-2020-17487).\n\nAlso, the radare2-cutter package has been switched to a new upstream that uses\na different versioning scheme.\n","status":"published","published":"2021-03-30T20:08:49Z","modified":"2026-04-16T04:42:27.518238928Z","updated_at":"2026-11-02T15:49:41.509337Z"}]}}