CVE-2021-3479

Publication date 31 March 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

There’s a flaw in OpenEXR’s Scanline API functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger excessive consumption of memory, resulting in an impact to system availability.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openexr	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Fixed 2.5.3-2ubuntu0.2
	20.04 LTS focal	Fixed 2.3.0-6ubuntu0.5
	18.04 LTS bionic	Fixed 2.2.0-11.1ubuntu1.6
	16.04 LTS xenial	Fixed 2.2.0-10ubuntu2.6
	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
openexr	Upstream: d80f11f

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

CVE-2021-3479

Cvss 3 Severity Score

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references