CVE-2017-12671

Publication date 7 August 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

In ImageMagick 7.0.6-3, a missing NULL assignment was found in coders/png.c, leading to an invalid free in the function RelinquishMagickMemory in MagickCore/memory.c, which allows attackers to cause a denial of service.

Read the notes from the security team

Status

Package Ubuntu Release Status
imagemagick 18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

0124-bad-free-in-RelinquishMagickMemory.patch in unstable 0096-bad-free-in-RelinquishMagickMemory.patch in stretch xenial and trusty don't look vulnerable

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
imagemagick

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Other references