Integer Overflow or Wraparound Affecting libidn package, versions <1.33-1+deb9u1


0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.56% (78th percentile)
Expand this section
NVD
9.8 critical
Expand this section
Red Hat
3.3 low

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-DEBIAN9-LIBIDN-310978
  • published 31 Aug 2017
  • disclosed 31 Aug 2017

How to fix?

Upgrade Debian:9 libidn to version 1.33-1+deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libidn package and not the libidn package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.