CVE-2017-14061

Publication date 31 August 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

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

Read the notes from the security team

Status

Package Ubuntu Release Status
libidn 17.04 zesty
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
libidn2-0 17.04 zesty
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

leosilva

for libidn-2-0, artful has the fixed code already

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Other references