What’s Vulnerable › Vulnerabilities

CVE-2020-16587

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-09 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.

Affected products

• Debian Linux: 9.0, 10.0
• AcademySoftwareFoundation openexr: 2.3.0

References

• https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a
• https://github.com/AcademySoftwareFoundation/openexr/issues/491
• https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
• https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
• https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a
• https://github.com/AcademySoftwareFoundation/openexr/issues/491
• https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
• https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

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