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VULNERABILITIES

CVE-2019-18224 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html CVE
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html CVE
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420 CVEExploitIssue TrackingThird Party Advisory
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c CVEPatchThird Party Advisory
https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1 CVERelease NotesThird Party Advisory

see all 22 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
gnu libidn2
< 2.1.1

CPE

  • cpe:2.3:a:gnu:libidn2:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-18224
NVD Published Date:
Oct 21, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-18224 Details - Not Deferred