CVE-2011-5326

Publication date 13 May 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

imlib2 before 1.4.9 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) by drawing a 2x1 ellipse.

From the Ubuntu Security Team

Kevin Ryde discovered that the ellipse drawing code in Imlib2 would attempt to divide by zero when drawing a 2x1 ellipse. An attacker could use this to cause a denial of service (application crash).

Status

Show unmaintained releases

Package	Ubuntu Release	Status
imlib2	16.04 LTS xenial	Fixed 1.4.7-1ubuntu0.1
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 1.4.6-2ubuntu0.1
	12.04 LTS precise	Fixed 1.4.4-1ubuntu0.1

Patch details

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

Package	Patch details
imlib2	Upstream: ?id=c94

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3075-1
Imlib2 vulnerabilities
9 September 2016