CVE-2018-5727

Publication date 16 January 2018

Last updated 25 August 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

From the Ubuntu Security Team

It was discovered that OpenJPEG incorrectly handled certain BMP files. A remote attacker could possibly use this issue to cause a denial of service.

Status

Package Ubuntu Release Status
ghostscript 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
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Fixed 9.26~dfsg+0-0ubuntu0.18.04.14
16.04 LTS xenial
Fixed 9.26~dfsg+0-0ubuntu0.16.04.14
14.04 LTS trusty Not in release
openjpeg 23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored changes too intrusive
14.04 LTS trusty Ignored changes too intrusive
openjpeg2 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
Not affected
20.04 LTS focal
Not affected
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 2.3.0-2ubuntu0.1~esm1
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 2.1.2-1.1+deb9u6ubuntu0.1~esm1
14.04 LTS trusty Not in release

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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
openjpeg
openjpeg2

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

Related Ubuntu Security Notices (USN)

    • USN-4686-1
    • Ghostscript vulnerabilities
    • 7 January 2021
    • USN-4782-1
    • OpenJPEG vulnerabilities
    • 17 March 2021

Other references