CVE-2020-11765: Buffer Overflow

Published Apr 14, 2020
·
Updated

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.

Other sources

ImageIO. Multiple issues in openEXR were addressed with improved checks.

Credit

Xingwei Lin(Ant)

Affected Software

56 affected componentsFixes available
Apple tvOS<13.4.8
13.4.8
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
Apple WatchOS<6.2.8
6.2.8
Apple iCloud for Windows<11.3
11.3
Apple iCloud for Windows<7.20
7.20
Apple iTunes for Windows<12.10.8
12.10.8
Apple iOS<13.6
13.6
Apple iPadOS<13.6
13.6
OpenEXR OpenEXR<2.4.1
Fedoraproject Fedora=32
openSUSE Leap=15.1
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
Apple Icloud Windows<7.20
Apple Icloud Windows>=10.0<11.3
Apple Itunes Windows<12.10.8
Apple iPadOS<13.6
Apple iPhone OS<13.6
Apple iOS and macOS>=10.13.0<10.13.6
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS>=10.15<10.15.6
Apple iOS and macOS=10.13.6
Apple iOS and macOS=10.13.6-security_update_2018-002
Apple iOS and macOS=10.13.6-security_update_2018-003
Apple iOS and macOS=10.13.6-security_update_2019-001
Apple iOS and macOS=10.13.6-security_update_2019-002
Apple iOS and macOS=10.13.6-security_update_2019-003
Apple iOS and macOS=10.13.6-security_update_2019-004
Apple iOS and macOS=10.13.6-security_update_2019-005
Apple iOS and macOS=10.13.6-security_update_2019-006
Apple iOS and macOS=10.13.6-security_update_2019-007
Apple iOS and macOS=10.13.6-security_update_2020-001
Apple iOS and macOS=10.13.6-security_update_2020-002
Apple iOS and macOS=10.13.6-security_update_2020-003
Apple iOS and macOS=10.13.6-supplemental_update
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple tvOS<13.4.8
Apple WatchOS<6.2.8
debian/openexr
2.5.4-2+deb11u13.1.5-53.1.13-23.4.6+ds-4

Remediation

Patch Available

https://github.com/AcademySoftwareFoundation/openexr/commit/3eda5d70aba127bae9bd6bae9956fcf024b64031

Patch Available

https://github.com/AcademySoftwareFoundation/openexr/commit/2ae5f8376b0a6c3e2bb100042f5de79503ba837a

Event History

Apr 14, 2020
CVE Published
via MITRE·10:41 PM
Data Sourced
via MITRE·10:41 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·08:35 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·08:36 PM
Description
Mar 19, 2026
Data Sourced
via Debian·09:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2020-11765.

2

What software is affected by this vulnerability?

The affected software includes macOS Catalina, Mojave, High Sierra, iOS, iPadOS, watchOS, iCloud for Windows, tvOS, and iTunes for Windows.

3

What is the severity of CVE-2020-11765?

The severity of CVE-2020-11765 is not specified in the information provided.

4

How can I fix CVE-2020-11765?

To fix CVE-2020-11765, make sure to update your affected software to the latest version provided by Apple.

5

Where can I find more information about CVE-2020-11765?

You can find more information about CVE-2020-11765 in the references provided by Apple: [reference 1](https://support.apple.com/en-us/HT211289), [reference 2](https://support.apple.com/en-us/HT211295), [reference 3](https://support.apple.com/en-us/HT211288).

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