Out-of-Bounds Affecting libksba package, versions <1.3.3-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
2.25% (90th percentile)

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  • Snyk IDSNYK-DEBIAN11-LIBKSBA-523965
  • published13 Jun 2016
  • disclosed13 Jun 2016

Introduced: 13 Jun 2016

CVE-2016-4356  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:11 libksba to version 1.3.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libksba package and not the libksba package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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 Scores

version 3.1