{"id":"CVE-2016-6261","details":"The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via 64 bytes of input.","modified":"2026-03-20T11:14:51.538964Z","published":"2016-09-07T20:59:04.263Z","related":["MGASA-2016-0269","SUSE-SU-2016:2079-1","SUSE-SU-2016:2291-1","SUSE-SU-2017:2699-1","SUSE-SU-2017:2700-1","openSUSE-SU-2024:10566-1","openSUSE-SU-2024:10792-1"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3658"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/07/20/6"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/92070"},{"type":"ADVISORY","url":"https://lists.gnu.org/archive/html/help-libidn/2015-07/msg00016.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/07/21/4"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3068-1"},{"type":"ADVISORY","url":"https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html"},{"type":"FIX","url":"http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/libidn.git","events":[{"introduced":"0"},{"fixed":"f20ce1128fb7f4d33297eee307dddaf0f92ac72d"}]},{"type":"GIT","repo":"https://cgit.git.savannah.gnu.org/cgit/libidn.git","events":[{"introduced":"0"},{"fixed":"f20ce1128fb7f4d33297eee307dddaf0f92ac72d"}]}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"42.1"}]},{"events":[{"introduced":"0"},{"last_affected":"1.32"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"fixed":"1.33"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-6261.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}