What’s Vulnerable › Vulnerabilities

CVE-2020-15306

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-26 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 19.10, 20.04
• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 31, 32
• AcademySoftwareFoundation openexr: before 2.5.2 — fixed in 2.5.2
• openSUSE Leap: 15.1, 15.2

How to fix

Upgrade to a fixed version: AcademySoftwareFoundation openexr 2.5.2. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00025.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00048.html
• https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md
• https://github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.md
• https://github.com/AcademySoftwareFoundation/openexr/pull/738
• https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2
• https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKDRVXORM2VLNHRLFKS3JHRABSHZ5W5M/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SHYAKRAUEMYVCV7U5WLDRE2YFGSV5PIT/
• https://security.gentoo.org/glsa/202107-27
• https://usn.ubuntu.com/4418-1/
• https://www.debian.org/security/2020/dsa-4755

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