Out-of-bounds Read Affecting libidn Open this link in a new tab package, versions <1.33


0.0
high
  • Attack Complexity

    Low

  • Availability

    High

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  • snyk-id

    SNYK-COCOAPODS-LIBIDN-470966

  • published

    2 Oct 2019

  • disclosed

    20 Jul 2016

  • credit

    Unknown

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.