medium
5.5
CWE
119 125
Advisory Published
Updated

CVE-2020-11761: Buffer Overflow

First published: Tue 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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple iCloud for Windows<11.3
11.3
Apple iTunes for Windows<12.10.8
12.10.8
Apple iCloud for Windows<7.20
7.20
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
Apple watchOS<6.2.8
6.2.8
Apple tvOS<13.4.8
13.4.8
Apple iOS<13.6
13.6
Apple iPadOS<13.6
13.6
debian/openexr
2.5.4-2+deb11u1
3.1.5-5
3.1.5-5.1
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 Mac OS X<10.15.6
Apple Mac OS X>=10.13.0<10.13.6
Apple Mac OS X>=10.14.0<10.14.6
Apple Mac OS X=10.13.6
Apple Mac OS X=10.13.6-security_update_2018-002
Apple Mac OS X=10.13.6-security_update_2018-003
Apple Mac OS X=10.13.6-security_update_2019-001
Apple Mac OS X=10.13.6-security_update_2019-002
Apple Mac OS X=10.13.6-security_update_2019-003
Apple Mac OS X=10.13.6-security_update_2019-004
Apple Mac OS X=10.13.6-security_update_2019-005
Apple Mac OS X=10.13.6-security_update_2019-006
Apple Mac OS X=10.13.6-security_update_2019-007
Apple Mac OS X=10.13.6-security_update_2020-001
Apple Mac OS X=10.13.6-security_update_2020-002
Apple Mac OS X=10.13.6-security_update_2020-003
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple tvOS<13.4.8
Apple watchOS<6.2.8

Remedy

https://github.com/AcademySoftwareFoundation/openexr/commit/b1c34c496b62117115b1089b18a44e0031800a09

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-11761?

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

  • 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.

  • How does CVE-2020-11761 affect Apple Mojave?

    Apple Mojave is affected by CVE-2020-11761.

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

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

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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

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

  • 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).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203