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As of 10/21/2026, openexr recorded 22 security vulnerabilities in the last 90 days, of which 9 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of openexr and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-59981OpenEXR: Heap OOB read in SampleCountChannel row when using nonzero dataWindowCVE-2026-68514OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision in deep imagesCVE-2026-68515OpenEXR: Heap out-of-bounds write in exrmultiview with subsampled channel unionCVE-2026-68513OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collisionCVE-2026-65979OpenEXR: Out-of-bounds read in HTJ2K decoder from unvalidated chunk header length (PLEN)| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-59981OpenEXR: Heap OOB read in SampleCountChannel row when using nonzero dataWindow | Exploitation statusActively exploited | FixYes |
| SeverityHigh |
CVE-2026-68514OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision in deep images | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityMedium |
|---|
CVE-2026-68515OpenEXR: Heap out-of-bounds write in exrmultiview with subsampled channel union | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityHigh |
|---|
CVE-2026-68513OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityHigh |
|---|
CVE-2026-65979OpenEXR: Out-of-bounds read in HTJ2K decoder from unvalidated chunk header length (PLEN) | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityMedium |
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CVE-2026-62986OpenEXR: PyOpenEXR deep prefixed RGB stale lane disclosure | Exploitation statusNot exploited | FixYes | Published08/25/2026 | SeverityMedium |
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CVE-2026-61555OpenEXR: Empty multiView viewFromChannelName file crash | Exploitation statusNot exploited | FixYes | Published08/25/2026 | SeverityMedium |
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CVE-2026-59985OpenEXR: Heap out-of-bounds read in OpenEXRCore RLE decoding on ILP32 | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityMedium |
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CVE-2026-59984OpenEXR: Scratch buffer overflow decoding B44-compressed InputFile on ILP32 | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityMedium |
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CVE-2026-59983OpenEXR: Out-of-bounds read in DeepTiledInputFile sample-count table decode on ILP32 | Exploitation statusActively exploited | FixYes | Published08/25/2026 | SeverityMedium |
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