Out-of-bounds Read Affecting libidn package, versions <1.33


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.55% (79th percentile)

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  • Snyk IDSNYK-COCOAPODS-LIBIDN-470966
  • published2 Oct 2019
  • disclosed20 Jul 2016
  • creditUnknown

Introduced: 20 Jul 2016

CVE-2016-6261  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade libidn to version 1.33 or higher.

Overview

libidn is an Encode/decode i18n domains using Stringprep, Punycode and IDNA.

Affected versions of this package are vulnerable to Out-of-bounds Read due to idna_to_ascii_4i function in lib/idna.c does not properly handle 64 bytes of input, leading to out-of-bounds read and crash.

CVSS Scores

version 3.1