CVE-2019-18224Published
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.
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2019-18224 · Microsoft / collected KEV context
cve-program · CVE-2019-18224
- 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
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.