{"id":"CVE-2015-7551","aliases":["EUVD-2015-7465","GHSA-m9xr-x5mq-4fp5","MGASA-2016-0007","RHSA-2018:0583","RHSA-2026:7305","RHSA-2026:7307","RHSA-2026:8838","SUSE-SU-2017:0948-1","SUSE-SU-2017:1067-1","UBUNTU-CVE-2015-7551","USN-3365-1","openSUSE-SU-2024:10481-1"],"status":"published","title":"The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2...","description":"The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library.  NOTE: this vulnerability exists because of a CVE-2009-5147 regression.","severity":{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.005,"percentile":0.43092,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2016-01-12T09:13:53Z","modified":"2026-10-06T10:31:19Z","fixes":[{"ecosystem":"Mageia:5","package":"ruby","fixed_in":["2.0.0.p648-1.mga5"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"ruby2.0","fixed_in":["2.0.0.484-1ubuntu2.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:5","package":"ruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.p648-1.mga5"}]}]},{"source":"osv","ecosystem":"Red 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NOTE: this vulnerability exists because of a CVE-2009-5147 regression.","status":"published","published":"2016-03-24T01:59:03.37Z","modified":"2026-06-17T00:32:44.063Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:16.97467Z"}],"osv":[{"id":"RHSA-2018:0583","title":"Red Hat Security Advisory: rh-ruby22-ruby security, bug fix, and enhancement update","status":"published","published":"2024-09-13T14:43:49Z","modified":"2026-06-29T10:19:32Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:04.822845Z"},{"id":"RHSA-2026:7305","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-04-21T10:09:49Z","modified":"2026-10-06T10:31:19.141484354Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:7307","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-04-21T10:09:49Z","modified":"2026-10-06T10:31:08.987663145Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:8838","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-04-21T10:10:33Z","modified":"2026-10-06T10:31:10.808115812Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2015-7551","description":"The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library.  NOTE: this vulnerability exists because of a CVE-2009-5147 regression.","status":"published","published":"2016-03-23T00:00:00Z","modified":"2026-04-22T10:19:51.038548Z","cvss":[{"version":"3.0","score":8.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"MGASA-2016-0007","title":"Updated ruby packages fix security vulnerability","description":"There is an unsafe tainted string vulnerability in Fiddle and DL. This\nissue was originally reported and fixed with CVE-2009-5147 in DL, but\nreappeared after DL was reimplemented using Fiddle and libffi\n(CVE-2015-7551).\n","status":"published","published":"2016-01-12T09:13:53Z","modified":"2026-04-16T06:24:44.177418065Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10481-1","title":"libruby2_2-2_2-2.2.5-1.5 on GA media","description":"These are all security issues fixed in the libruby2_2-2_2-2.2.5-1.5 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:04:09.674731Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2017:0948-1","title":"Security update for ruby","description":"\nThis update for ruby fixes the following issues:\n\nSecuirty issues fixed:\n- CVE-2015-1855: Ruby OpenSSL Hostname Verification (bsc#926974)\n- CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (bsc#959495)\n\nBugfixes:\n- fix small mistake in the backport for (bsc#986630)\n","status":"published","published":"2017-04-06T09:39:44Z","modified":"2026-02-04T03:11:40.750069Z","updated_at":"2026-11-02T15:53:43.83457Z"},{"id":"SUSE-SU-2017:1067-1","title":"Security update for ruby2.1","description":"\nThis ruby2.1 update to version 2.1.9 fixes the following issues:\n\nSecurity issues fixed:\n- CVE-2016-2339: heap overflow vulnerability in the Fiddle::Function.new'initialize' (bsc#1018808)\n- CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL (bsc#959495)\n- CVE-2015-3900: hostname validation does not work when fetching gems or making API requests (bsc#936032)\n- CVE-2015-1855: Ruby'a OpenSSL extension suffers a vulnerability through overly permissive matching of\n  hostnames (bsc#926974)\n- CVE-2014-4975: off-by-one stack-based buffer overflow in the encodes() function (bsc#887877)\n\nBugfixes:\n- SUSEconnect doesn't handle domain wildcards in no_proxy environment variable properly (bsc#1014863)\n- Segmentation fault after pack \u0026 ioctl \u0026 unpack (bsc#909695)\n- Ruby:HTTP Header injection in 'net/http' (bsc#986630)\n\nChangeLog:\n- http://svn.ruby-lang.org/repos/ruby/tags/v2_1_9/ChangeLog\n","status":"published","published":"2017-04-20T06:35:59Z","modified":"2026-02-04T04:00:33.439608Z","updated_at":"2026-11-02T15:53:43.83457Z"},{"id":"USN-3365-1","title":"ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities","description":"It was discovered that Ruby DL::dlopen incorrectly handled opening\nlibraries. An attacker could possibly use this issue to open libraries with\ntainted names. This issue only applied to Ubuntu 14.04 LTS. (CVE-2009-5147)\n\nTony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby\nOpenSSL extension incorrectly handled hostname wildcard matching. This\nissue only applied to Ubuntu 14.04 LTS. (CVE-2015-1855)\n\nChristian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly\nhandled certain crafted strings. An attacker could use this issue to cause\na denial of service, or possibly execute arbitrary code. This issue only\napplied to Ubuntu 14.04 LTS. (CVE-2015-7551)\n\nIt was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A\nremote attacker could possibly use this issue to inject SMTP commands.\n(CVE-2015-9096)\n\nMarcin Noga discovered that Ruby incorrectly handled certain arguments in\na TclTkIp class method. An attacker could possibly use this issue to\nexecute arbitrary code. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2016-2337)\n\nIt was discovered that Ruby Fiddle::Function.new incorrectly handled\ncertain arguments. An attacker could possibly use this issue to execute\narbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-2339)\n\nIt was discovered that Ruby incorrectly handled the initialization vector\n(IV) in GCM mode. An attacker could possibly use this issue to bypass\nencryption. (CVE-2016-7798)\n","status":"published","published":"2017-07-25T17:52:34Z","modified":"2026-04-27T15:17:29.906084053Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}