CVE-2020-11761: Buffer Overflow

Published Apr 14, 2020
·
Updated

An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.cpp.

Other sources

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

Credit

Xingwei Lin(Ant)

Affected Software

52 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
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
Debian Debian Linux=9.0
Debian Debian Linux=10.0
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<10.15.6
Apple iOS and macOS>=10.13.0<10.13.6
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS=10.13.6
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=10.14.6
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 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/b1c34c496b62117115b1089b18a44e0031800a09

Event History

Apr 14, 2020
CVE Published
via MITRE·10:42 PM
Data Sourced
via MITRE·10:42 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·08:36 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 CVE-2020-11761?

CVE-2020-11761 is a vulnerability in ImageIO that was addressed with improved checks in openEXR.

2

How does CVE-2020-11761 affect Apple macOS Catalina?

Apple macOS Catalina with a version up to, but not including, 10.15.6 is affected by CVE-2020-11761.

3

How does CVE-2020-11761 affect Apple Mojave?

Apple Mojave is affected by CVE-2020-11761.

4

How does CVE-2020-11761 affect Apple High Sierra?

Apple High Sierra is affected by CVE-2020-11761.

5

How does CVE-2020-11761 affect Apple iOS?

Apple iOS with a version up to, but not including, 13.6 is affected by CVE-2020-11761.

6

How does CVE-2020-11761 affect Apple iPadOS?

Apple iPadOS with a version up to, but not including, 13.6 is affected by CVE-2020-11761.

7

How does CVE-2020-11761 affect Apple watchOS?

Apple watchOS with a version up to, but not including, 6.2.8 is affected by CVE-2020-11761.

8

How does CVE-2020-11761 affect Apple iCloud for Windows?

Apple iCloud for Windows with a version up to, but not including, 7.20 is affected by CVE-2020-11761.

9

How does CVE-2020-11761 affect Apple tvOS?

Apple tvOS with a version up to, but not including, 13.4.8 is affected by CVE-2020-11761.

10

How does CVE-2020-11761 affect Apple iTunes for Windows?

Apple iTunes for Windows with a version up to, but not including, 12.10.8 is affected by CVE-2020-11761.

11

What is the Common Weakness Enumeration (CWE) for CVE-2020-11761?

The Common Weakness Enumeration (CWE) for CVE-2020-11761 is CWE-119.

12

Where can I find more information about CVE-2020-11761?

You can find more information about CVE-2020-11761 on Apple's support page: [https://support.apple.com/en-us/HT211289](https://support.apple.com/en-us/HT211289), [https://support.apple.com/en-us/HT211295](https://support.apple.com/en-us/HT211295), [https://support.apple.com/en-us/HT211288](https://support.apple.com/en-us/HT211288).

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