CVE-2019-18224
- Source
- https://cve.org/CVERecord?id=CVE-2019-18224
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-18224.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2019-18224
- Downstream
- Related
- Published
- 2019-10-21T17:15:09.930Z
- Modified
- 2026-05-15T04:03:51.167591596Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
idn2toascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
- References
-
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
- 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/
- https://seclists.org/bugtraq/2020/Feb/4
- https://usn.ubuntu.com/4168-1/
- https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
- https://security.gentoo.org/glsa/202003-63
- https://www.debian.org/security/2020/dsa-4613
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
- https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c