High severity7.5NVD Advisory· Published Jun 13, 2016· Updated May 6, 2026

CVE-2016-4356

Description

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.

Affected products

Gnupg/Libksba
cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*
Range: <=1.3.2
Canonical (company)/Ubuntu Linux2 versions
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2016/04/29/5nvd
www.openwall.com/lists/oss-security/2016/04/29/8nvd
www.openwall.com/lists/oss-security/2016/05/10/3nvd
www.ubuntu.com/usn/USN-2982-1nvd
security.gentoo.org/glsa/201604-04nvd

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000