CVE-2016-6263

Description

The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.

Patch Available

Fix available through Seal Security. No upgrade required, protect your application instantly.

Fix without upgrading

Vulnerability Details

Score

Score Vector

Affected Versions

Severity

Ecosystem

RPM

Publish Date

September 7, 2016

Modified Date

August 9, 2025