CVE-2016-6263
HIGH7.5EPSS 3.0%Published: 9/7/2016Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/libidnfrom 0, < 1.33-r0
- Debian/libidnfrom 0, < 1.33-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |