CVE-2018-6616

Publication date 4 February 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openjpeg	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
openjpeg2	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 2.3.0-2build0.18.04.1
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Fixed 2.1.2-1.1+deb9u3build0.16.04.1
	14.04 LTS trusty	Not in release

Patch details

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

Package	Patch details
openjpeg	Upstream: 8ee3352
openjpeg2	Upstream: 8ee3352

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-4109-1
OpenJPEG vulnerabilities
21 August 2019