UBUNTU-CVE-2020-11765

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Source
https://ubuntu.com/security/CVE-2020-11765
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11765.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-11765
Upstream
Downstream
Related
Published
2020-04-14T23:15:00Z
Modified
2025-07-16T07:40:37.589746Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in OpenEXR before 2.4.1. There is an off-by-one error in use of the ImfXdr.h read function by DwaCompressor::Classifier::Classifier, leading to an out-of-bounds read.

References

Affected packages

Ubuntu:16.04:LTS / openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr@2.2.0-10ubuntu2.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-10ubuntu2.2

Affected versions

2.*

2.2.0-1ubuntu3
2.2.0-7ubuntu1
2.2.0-9ubuntu1
2.2.0-10ubuntu2
2.2.0-10ubuntu2.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libopenexr-dev",
            "binary_version": "2.2.0-10ubuntu2.2"
        },
        {
            "binary_name": "libopenexr22",
            "binary_version": "2.2.0-10ubuntu2.2"
        },
        {
            "binary_name": "libopenexr22-dbgsym",
            "binary_version": "2.2.0-10ubuntu2.2"
        },
        {
            "binary_name": "openexr",
            "binary_version": "2.2.0-10ubuntu2.2"
        },
        {
            "binary_name": "openexr-dbgsym",
            "binary_version": "2.2.0-10ubuntu2.2"
        },
        {
            "binary_name": "openexr-doc",
            "binary_version": "2.2.0-10ubuntu2.2"
        }
    ]
}

Ubuntu:18.04:LTS / openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr@2.2.0-11.1ubuntu1.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-11.1ubuntu1.2

Affected versions

2.*

2.2.0-11ubuntu1
2.2.0-11.1ubuntu1
2.2.0-11.1ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libopenexr-dev",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        },
        {
            "binary_name": "libopenexr22",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        },
        {
            "binary_name": "libopenexr22-dbgsym",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        },
        {
            "binary_name": "openexr",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        },
        {
            "binary_name": "openexr-dbgsym",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        },
        {
            "binary_name": "openexr-doc",
            "binary_version": "2.2.0-11.1ubuntu1.2"
        }
    ]
}

Ubuntu:20.04:LTS / openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr@2.3.0-6ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-6ubuntu0.1

Affected versions

2.*

2.2.1-4.1ubuntu1
2.3.0-6
2.3.0-6build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libopenexr-dev",
            "binary_version": "2.3.0-6ubuntu0.1"
        },
        {
            "binary_name": "libopenexr24",
            "binary_version": "2.3.0-6ubuntu0.1"
        },
        {
            "binary_name": "libopenexr24-dbgsym",
            "binary_version": "2.3.0-6ubuntu0.1"
        },
        {
            "binary_name": "openexr",
            "binary_version": "2.3.0-6ubuntu0.1"
        },
        {
            "binary_name": "openexr-dbgsym",
            "binary_version": "2.3.0-6ubuntu0.1"
        },
        {
            "binary_name": "openexr-doc",
            "binary_version": "2.3.0-6ubuntu0.1"
        }
    ]
}