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CVE-2021-20176

Publication date 6 February 2021

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability.

Status

Package Ubuntu Release Status
imagemagick 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Fixed 8:6.9.10.23+dfsg-2.1ubuntu13.3
20.04 LTS focal
Fixed 8:6.9.10.23+dfsg-2.1ubuntu11.4
18.04 LTS bionic
Fixed 8:6.9.7.4+dfsg-16ubuntu6.11
16.04 LTS xenial
14.04 LTS trusty
Vulnerable

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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 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4988-1
    • ImageMagick vulnerabilities
    • 15 June 2021
    • USN-5335-1
    • ImageMagick vulnerabilities
    • 18 March 2022

Other references