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CVE-2016-4574

Published: 13 May 2016

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
libksba
Launchpad, Ubuntu, Debian
Upstream
Released (1.3.4-3)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.3.3-1ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1.3.0-3ubuntu0.14.04.2])
Patches:
Upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75