DEBIAN-CVE-2016-6263

DEBIAN-CVE-2016-6263 PUBLISHED CVSS 7.5 HIGH

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.

Risk Scores

CVSS v3.0

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Debian:14	libidn	0, 0, 0
Debian:12	libidn	0, 0, 0
Debian:13	libidn	0, 0, 0
Debian:11	libidn	0, 0, 0

Timeline

Sep 7, 2016 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2016-6263 advisory

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