CVE-2016-4574

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.

Score

CVSS 3.0 7.5 High

Status

Modified - cve@mitre.org

Published

2016-06-13

Last modified

2024-08-06

Weaknesses

CWE-189

Affected products

• Ubuntu Linux (Canonical)
• Libksba (Gnupg)
• Leap (Opensuse)
• Opensuse (Opensuse)

References

• http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
• http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
• http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
• http://www.openwall.com/lists/oss-security/2016/05/10/3
• http://www.openwall.com/lists/oss-security/2016/05/10/4
• http://www.ubuntu.com/usn/USN-2982-1