CVE-2020-16587

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.

Database specific

{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                },
                {
                    "introduced": "10.0"
                },
                {
                    "last_affected": "10.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ]
        }
    ]
}

References

Affected packages

Git / github.com/academysoftwarefoundation/openexr

Affected ranges

Type

GIT

Repo

https://github.com/academysoftwarefoundation/openexr

Events

Introduced

0ac2ea34c8f3134148a5df4052e40f155b76f6fb

Last affected

0ac2ea34c8f3134148a5df4052e40f155b76f6fb

Fixed

8b5370c688a7362673c3a5256d93695617a4cd9a

Database specific

{
    "extracted_events": [
        {
            "introduced": "2.3.0"
        },
        {
            "last_affected": "2.3.0"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:openexr:openexr:2.3.0:*:*:*:*:*:*:*"
}

Affected versions

2.*

2.3.0

v2.*

v2.3.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16587.json"

vanir_signatures_modified

"2026-07-08T20:30:33Z"

vanir_signatures

[
    {
        "digest": {
            "function_hash": "143967905294990520278655521811818684950",
            "length": 4663.0
        },
        "id": "CVE-2020-16587-2ec0a54b",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a",
        "signature_type": "Function",
        "target": {
            "function": "MultiPartInputFile::Data::chunkOffsetReconstruction",
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"
        }
    },
    {
        "digest": {
            "line_hashes": [
                "134578106560149560542039773809397150419",
                "64017740078096563740224162377099776518",
                "176058261214050518461075301377133407243",
                "101883906199073792821308977749009224060"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-16587-eec94311",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a",
        "signature_type": "Line",
        "target": {
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"
        }
    }
]