{"id":"CVE-2019-18224","revision":"278fdab9509e4250ba972159196918c9","records":[{"revision":"278fdab9509e4250ba972159196918c9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-18224","aliases":[],"title":"idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.","description":"idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.","state":0,"publishedAt":"2019-10-21T16:21:46+00:00","modifiedAt":"2026-10-14T06:54:50.718+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1","https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420","https://usn.ubuntu.com/4168-1/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/","http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html","http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html","https://www.debian.org/security/2020/dsa-4613","https://seclists.org/bugtraq/2020/Feb/4","https://security.gentoo.org/glsa/202003-63"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-18224","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-18224","identifiers":["CVE-2019-18224"]},"retained":false,"historicalAffected":[]}],"coverage":[]}