Debian Security Advisory

DLA-1447-1 libidn -- LTS security update

Date Reported:
27 Jul 2018
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 873903.
In Mitre's CVE dictionary: CVE-2017-14062.
More information:

An integer overflow vulnerability was discovered in libidn, the GNU library for Internationalized Domain Names (IDNs), in its Punycode handling (a Unicode characters to ASCII encoding) allowing a remote attacker to cause a denial of service against applications using the library.

For Debian 8 Jessie, this problem has been fixed in version 1.29-1+deb8u3.

We recommend that you upgrade your libidn packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: