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CVE-2016-4356

libksba: encoding of invalid utf-8 strings in DN decoder src/dn.c (append_quoted, append_atv)

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Severity

Moderate

Red Hat Product Security

5.1

CVSS 2.0

Review impact separately from score.

Published · April 8, 2015

Updated · June 27, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P

CWE-190 · Integer Overflow or Wraparound