CVE-2016-4574

HIGH

Libksba < 1.3.4 - Denial of Service via Off-by-One Error in DN Decoder

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/10/3
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2982-1
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/10/4
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html

Scores

CVSS v3 7.5
EPSS 0.0109
EPSS Percentile 78.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-189
Status published
Products (7)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 15.10
canonical/ubuntu_linux 16.04
gnupg/libksba < 1.3.3
opensuse/leap 42.1
opensuse/opensuse 13.2
Published Jun 13, 2016
Tracked Since Feb 18, 2026