{"id":"CVE-2016-4574","aliases":["BELL-CVE-2016-4574","DEBIAN-CVE-2016-4574","EUVD-2016-5560","GHSA-986h-5j8j-hgfc","MGASA-2016-0181","SUSE-SU-2016:1509-1","SUSE-SU-2016:1510-1","SUSE-SU-2017:2699-1","SUSE-SU-2017:2700-1","UBUNTU-CVE-2016-4574","USN-2982-1","openSUSE-SU-2024:10126-1"],"status":"published","title":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3...","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02761,"percentile":0.86363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2016-05-13T00:00:00Z","modified":"2026-10-24T10:30:28Z","fixes":[{"ecosystem":"Debian:12","package":"libksba","fixed_in":["1.3.4-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libksba","fixed_in":["1.3.4-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libksba","fixed_in":["1.3.4-3"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"libksba","fixed_in":["1.3.0-3ubuntu0.14.04.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libksba","fixed_in":["1.3.3-1ubuntu0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libksba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libksba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libksba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-3"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"libksba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-1.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux 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error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-06-13T19:00:00Z","modified":"2024-08-06T00:32:25.868Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5560","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-06-13T19:00:00Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:45.901874Z"}],"ghsa":[{"id":"GHSA-986h-5j8j-hgfc","title":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3...","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2022-05-13T01:30:25Z","modified":"2025-04-12T13:02:10Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:01:28.050499Z"}],"nvd":[{"id":"CVE-2016-4574","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-06-13T19:59:09.957Z","modified":"2026-06-17T00:47:48.997Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:03:26.642445Z"}],"osv":[{"id":"BELL-CVE-2016-4574","title":"CVE-2016-4574 does not affect BellSoft software","status":"withdrawn","published":"2016-06-13T19:59:00Z","modified":"2026-01-26T09:46:08.531733Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:14.137943Z"},{"id":"CVE-2016-4574","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-06-13T19:59:09.957Z","modified":"2026-10-24T10:30:28.089867525Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"DEBIAN-CVE-2016-4574","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-06-13T19:59:09.957Z","modified":"2026-09-22T07:02:06.416792869Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.627285Z"},{"id":"UBUNTU-CVE-2016-4574","description":"Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.","status":"published","published":"2016-05-13T00:00:00Z","modified":"2026-04-22T10:44:58.400621Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:12.261906Z"},{"id":"MGASA-2016-0181","title":"Updated libksba packages fix security vulnerabilities","description":"Updated libksba packages fix security vulnerabilities:\n\nAn out-of-bounds read access in _ksba_dn_to_str() in libksba 1.3.3, due to an\nincomplete fix for CVE-2016-4356, could result in denial of service\n(CVE-2016-4574).\n\nIn liksba 1.3.3, the returned length of the object from _ksba_ber_parse_tl()\n(ti.length) was not always checked against the actual buffer length, thus\nleading to a read access after the end of the buffer, which could result in\ndenial of service (CVE-2016-4579).\n","status":"published","published":"2016-05-18T20:14:22Z","modified":"2026-04-16T06:25:44.980147028Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10126-1","title":"libksba-devel-1.3.5-1.3 on GA media","description":"These are all security issues fixed in the libksba-devel-1.3.5-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:06:37.033606Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"SUSE-SU-2016:1509-1","title":"Security update for libksba","description":"\nThis update for libksba fixes the following issues:\n\n- CVE-2016-4579: Out-of-bounds read in _ksba_ber_parse_tl()\n- CVE-2016-4574: two OOB read access bugs (remote DoS) (bsc#979261)\n\nAlso adding reliability fixes from v1.3.4.\n\n","status":"published","published":"2016-06-07T08:57:58Z","modified":"2026-02-04T02:49:21.166134Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1510-1","title":"Security update for libksba","description":"\nThis update for libksba fixes the following issues:\n\n- CVE-2016-4579: Out-of-bounds read in _ksba_ber_parse_tl()\n- CVE-2016-4574: two OOB read access bugs (remote DoS) (bsc#979261)\n\nAlso adding reliability fixes from v1.3.4.\n\n","status":"published","published":"2016-06-07T08:58:52Z","modified":"2026-02-04T03:01:25.498801Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2017:2699-1","title":"Security update for SLES 12 Docker image","description":"The SUSE Linux Enterprise Server 12 container image has been updated to include\nsecurity and stability fixes.\n\nThe following issues related to building of the container images have been fixed:\n\n- Included krb5 package to avoid the inclusion of krb5-mini which gets selected as a\n  dependency by the Build Service solver. (bsc#1056193)\n- Do not install recommended packages when building container images. (bsc#975726)\n\nA number of security issues that have been already fixed by updates released for\nSUSE Linux Enterprise Server 12 are now included in the base image. A package/CVE\ncross-reference is available below.\n\npam:\n\n- CVE-2015-3238\n\nlibtasn1:\n\n- CVE-2015-3622\n- CVE-2016-4008\n\nlibidn:\n\n- CVE-2015-2059\n- CVE-2015-8948\n- CVE-2016-6261\n- CVE-2016-6262\n- CVE-2016-6263\n\nzlib:\n\n- CVE-2016-9840\n- CVE-2016-9841\n- CVE-2016-9842\n- CVE-2016-9843\n\ncurl:\n\n- CVE-2016-5419\n- CVE-2016-5420\n- CVE-2016-5421\n- CVE-2016-7141\n- CVE-2016-7167\n- CVE-2016-8615\n- CVE-2016-8616\n- CVE-2016-8617\n- CVE-2016-8618\n- CVE-2016-8619\n- CVE-2016-8620\n- CVE-2016-8621\n- CVE-2016-8622\n- CVE-2016-8623\n- CVE-2016-8624\n- CVE-2016-9586\n- CVE-2017-1000100\n- CVE-2017-1000101\n- CVE-2017-7407\n\nopenssl:\n\n- CVE-2016-2105\n- CVE-2016-2106\n- CVE-2016-2107\n- CVE-2016-2108\n- CVE-2016-2109\n- CVE-2016-2177\n- CVE-2016-2178\n- CVE-2016-2179\n- CVE-2016-2180\n- CVE-2016-2181\n- CVE-2016-2182\n- CVE-2016-2183\n- CVE-2016-6302\n- CVE-2016-6303\n- CVE-2016-6304\n- CVE-2016-6306\n\nlibxml2:\n\n- CVE-2014-0191\n- CVE-2015-8806\n- CVE-2016-1762\n- CVE-2016-1833\n- CVE-2016-1834\n- CVE-2016-1835\n- CVE-2016-1837\n- CVE-2016-1838\n- CVE-2016-1839\n- CVE-2016-1840\n- CVE-2016-2073\n- CVE-2016-3627\n- CVE-2016-3705\n- CVE-2016-4447\n- CVE-2016-4448\n- CVE-2016-4449\n- CVE-2016-4483\n- CVE-2016-4658\n- CVE-2016-9318\n- CVE-2016-9597\n- CVE-2017-9047\n- CVE-2017-9048\n- CVE-2017-9049\n- CVE-2017-9050\n\nutil-linux:\n\n- CVE-2015-5218\n- CVE-2016-5011\n- CVE-2017-2616\n\ncracklib:\n\n- CVE-2016-6318\n\nsystemd:\n\n- CVE-2014-9770\n- CVE-2015-8842\n- CVE-2016-7796\n\npcre:\n\n- CVE-2014-8964\n- CVE-2015-2325\n- CVE-2015-2327\n- CVE-2015-2328\n- CVE-2015-3210\n- CVE-2015-3217\n- CVE-2015-5073\n- CVE-2015-8380\n- CVE-2015-8381\n- CVE-2015-8382\n- CVE-2015-8383\n- CVE-2015-8384\n- CVE-2015-8385\n- CVE-2015-8386\n- CVE-2015-8387\n- CVE-2015-8388\n- CVE-2015-8389\n- CVE-2015-8390\n- CVE-2015-8391\n- CVE-2015-8392\n- CVE-2015-8393\n- CVE-2015-8394\n- CVE-2015-8395\n- CVE-2016-1283\n- CVE-2016-3191\n\nappamor:\n\n- CVE-2017-6507\n\nbash:\n\n- CVE-2014-6277\n- CVE-2014-6278\n- CVE-2016-0634\n- CVE-2016-7543\n\ncpio:\n\n- CVE-2016-2037\n\nglibc:\n\n- CVE-2016-1234\n- CVE-2016-3075\n- CVE-2016-3706\n- CVE-2016-4429\n- CVE-2017-1000366\n\nperl:\n\n- CVE-2015-8853\n- CVE-2016-1238\n- CVE-2016-2381\n- CVE-2016-6185\n\nlibssh2_org:\n\n- CVE-2016-0787\n\nexpat:\n\n- CVE-2012-6702\n- CVE-2015-1283\n- CVE-2016-0718\n- CVE-2016-5300\n- CVE-2016-9063\n- CVE-2017-9233\n\nncurses:\n\n- CVE-2017-10684\n- CVE-2017-10685\n- CVE-2017-11112\n- CVE-2017-11113\n\nlibksba:\n\n- CVE-2016-4574\n- CVE-2016-4579\n\nlibgcrypt:\n\n- CVE-2015-7511\n- CVE-2016-6313\n- CVE-2017-7526\n\ndbus-1:\n\n- CVE-2014-7824\n- CVE-2015-0245\n\nFinally, the following packages received non-security fixes:\n\n- augeas\n- bzip2\n- ca-certificates-mozilla\n- coreutils\n- cryptsetup\n- cyrus-sasl\n- dirmngr\n- e2fsprogs\n- findutils\n- gpg2\n- insserv-compat\n- kmod\n- libcap\n- libsolv\n- libzypp\n- openldap2\n- p11-kit\n- permissions\n- procps\n- rpm\n- sed\n- shadow\n- zypper\n","status":"published","published":"2017-10-10T19:37:24Z","modified":"2026-02-04T03:24:03.922844Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"SUSE-SU-2017:2700-1","title":"Security update for SLES 12-SP1 Docker image","description":"The SUSE Linux Enterprise Server 12 SP1 container image has been updated to include\nsecurity and stability fixes.\n\nThe following issues related to building of the container images have been fixed:\n\n- Included krb5 package to avoid the inclusion of krb5-mini which gets selected as a\n  dependency by the Build Service solver. (bsc#1056193)\n- Do not install recommended packages when building container images. (bsc#975726)\n\nA number of security issues that have been already fixed by updates released for\nSUSE Linux Enterprise Server 12 SP1 are now included in the base image. A package/CVE\ncross-reference is available below.\n\npam:\n\n- CVE-2015-3238\n\nlibtasn1:\n\n- CVE-2015-3622\n- CVE-2016-4008\n\nexpat:\n\nexpat:\n\n- CVE-2012-6702\n- CVE-2015-1283\n- CVE-2016-0718\n- CVE-2016-5300\n- CVE-2016-9063\n- CVE-2017-9233\n\nlibidn:\n\n- CVE-2015-2059\n- CVE-2015-8948\n- CVE-2016-6261\n- CVE-2016-6262\n- CVE-2016-6263\n\n\nzlib:\n\n- CVE-2016-9840\n- CVE-2016-9841\n- CVE-2016-9842\n- CVE-2016-9843\n\ncurl:\n\n- CVE-2016-5419\n- CVE-2016-5420\n- CVE-2016-5421\n- CVE-2016-7141\n- CVE-2016-7167\n- CVE-2016-8615\n- CVE-2016-8616\n- CVE-2016-8617\n- CVE-2016-8618\n- CVE-2016-8619\n- CVE-2016-8620\n- CVE-2016-8621\n- CVE-2016-8622\n- CVE-2016-8623\n- CVE-2016-8624\n- CVE-2016-9586\n- CVE-2017-1000100\n- CVE-2017-1000101\n- CVE-2017-7407\n\nopenssl:\n\n- CVE-2016-2105\n- CVE-2016-2106\n- CVE-2016-2107\n- CVE-2016-2108\n- CVE-2016-2109\n- CVE-2016-2177\n- CVE-2016-2178\n- CVE-2016-2179\n- CVE-2016-2180\n- CVE-2016-2181\n- CVE-2016-2182\n- CVE-2016-2183\n- CVE-2016-6302\n- CVE-2016-6303\n- CVE-2016-6304\n- CVE-2016-6306\n- CVE-2016-7056\n- CVE-2016-8610\n- CVE-2017-3731\n\ncracklib:\n\n- CVE-2016-6318\n\npcre:\n\n- CVE-2014-8964\n- CVE-2015-2325\n- CVE-2015-2327\n- CVE-2015-2328\n- CVE-2015-3210\n- CVE-2015-3217\n- CVE-2015-5073\n- CVE-2015-8380\n- CVE-2015-8381\n- CVE-2015-8382\n- CVE-2015-8383\n- CVE-2015-8384\n- CVE-2015-8385\n- CVE-2015-8386\n- CVE-2015-8387\n- CVE-2015-8388\n- CVE-2015-8389\n- CVE-2015-8390\n- CVE-2015-8391\n- CVE-2015-8392\n- CVE-2015-8393\n- CVE-2015-8394\n- CVE-2015-8395\n- CVE-2016-1283\n- CVE-2016-3191\n\nappamor:\n\n- CVE-2017-6507\n\nbash:\n\n- CVE-2014-6277\n- CVE-2014-6278\n- CVE-2016-0634\n- CVE-2016-7543\n\ncpio:\n\n- CVE-2016-2037\n\nglibc:\n\n- CVE-2016-1234\n- CVE-2016-3075\n- CVE-2016-3706\n- CVE-2016-4429\n- CVE-2017-1000366\n\nperl:\n\n- CVE-2015-8853\n- CVE-2016-1238\n- CVE-2016-2381\n- CVE-2016-6185\n\nlibssh2_org:\n\n- CVE-2016-0787\n\nutil-linux:\n\n- CVE-2016-5011\n- CVE-2017-2616\n\nncurses:\n\n- CVE-2017-10684\n- CVE-2017-10685\n- CVE-2017-11112\n- CVE-2017-11113\n\nlibksba:\n\n- CVE-2016-4574\n- CVE-2016-4579\n\nlibxml2:\n\n- CVE-2014-0191\n- CVE-2015-8806\n- CVE-2016-1762\n- CVE-2016-1833\n- CVE-2016-1834\n- CVE-2016-1835\n- CVE-2016-1837\n- CVE-2016-1838\n- CVE-2016-1839\n- CVE-2016-1840\n- CVE-2016-2073\n- CVE-2016-3627\n- CVE-2016-3705\n- CVE-2016-4447\n- CVE-2016-4448\n- CVE-2016-4449\n- CVE-2016-4483\n- CVE-2016-4658\n- CVE-2016-9318\n- CVE-2016-9597\n- CVE-2017-9047\n- CVE-2017-9048\n- CVE-2017-9049\n- CVE-2017-9050\n\nlibgcrypt:\n\n- CVE-2015-7511\n- CVE-2016-6313\n- CVE-2017-7526\n\nupdate-alternatives:\n\n- CVE-2015-0860\n\nsystemd:\n\n- CVE-2014-9770\n- CVE-2015-8842\n- CVE-2016-7796\n\ndbus-1:\n\n- CVE-2014-7824\n- CVE-2015-0245\n\nFinally, the following packages received non-security fixes:\n\n- augeas\n- bzip2\n- ca-certificates-mozilla\n- coreutils\n- cryptsetup\n- cyrus-sasl\n- dirmngr\n- e2fsprogs\n- findutils\n- gpg2\n- insserv-compat\n- kmod\n- libcap\n- libsolv\n- libzypp\n- lua51\n- lvm2\n- netcfg\n- p11-kit\n- permissions\n- procps\n- rpm\n- sed\n- sg3_utils\n- shadow\n- zypper\n","status":"published","published":"2017-10-10T19:37:36Z","modified":"2026-02-04T03:03:17.897778Z","updated_at":"2026-11-02T15:53:44.209561Z"},{"id":"USN-2982-1","title":"libksba vulnerabilities","description":"Hanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4353)\n\nHanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service, or possibly execute arbitrary code. This issue only\napplied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-4354,\nCVE-2016-4355)\n\nHanno Böck discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4356)\n\nPascal Cuoq discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2016-4574)\n\nPascal Cuoq discovered that Libksba incorrectly handled decoding certain\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. (CVE-2016-4579)\n","status":"published","published":"2016-05-17T15:34:41Z","modified":"2026-04-22T09:24:03.995751Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}