CVE-2018-16323

Publication date 1 September 2018

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.

Status

Package Ubuntu Release Status
imagemagick 19.04 disco
Not affected
18.10 cosmic
Fixed 8:6.9.10.8+dfsg-1ubuntu2.2
18.04 LTS bionic
Fixed 8:6.9.7.4+dfsg-16ubuntu6.4
16.04 LTS xenial
Fixed 8:6.8.9.9-7ubuntu5.13
14.04 LTS trusty
Fixed 8:6.7.7.10-6ubuntu3.13

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 High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-4034-1
    • ImageMagick vulnerabilities
    • 25 June 2019
    • USN-3785-1
    • ImageMagick vulnerabilities
    • 4 October 2018

Other references