CVE-2020-15306

Publication date 26 June 2020

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.

Status

Package Ubuntu Release Status
openexr 20.04 LTS focal
Fixed 2.3.0-6ubuntu0.2
19.10 eoan
Fixed 2.2.1-4.1ubuntu1.2
18.04 LTS bionic
Fixed 2.2.0-11.1ubuntu1.3
16.04 LTS xenial
Fixed 2.2.0-10ubuntu2.3
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

Severity score breakdown

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

References

Related Ubuntu Security Notices (USN)

Other references