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CVE-2016-4356

Published: 29 April 2016

The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
libksba
Launchpad, Ubuntu, Debian
upstream
Released (1.3.3-1)
precise
Released (1.2.0-2ubuntu0.2)
trusty Does not exist
(trusty was released [1.3.0-3ubuntu0.14.04.2])
wily Not vulnerable
(1.3.3-1)
xenial Not vulnerable

Patches:
upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=243d12fdec66a4360fbb3e307a046b39b5b4ffc3