CVE-2020-16587

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Source
https://cve.org/CVERecord?id=CVE-2020-16587
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-16587.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-16587
Downstream
Related
Published
2020-12-09T21:15:14.850Z
Modified
2026-04-11T20:33:26.198452Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git
github.com/AcademySoftwareFoundation/openexr

Affected ranges

Type
GIT
Repo
https://github.com/AcademySoftwareFoundation/openexr
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
0ac2ea34c8f3134148a5df4052e40f155b76f6fb
Database specific 
{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:openexr:openexr:2.3.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.3.0"
        }
    ]
}

Affected versions

Other
OPENEXR_1_0_4
v1.*
v1.7.1
v2.*
v2.0.0
v2.0.0.GM
v2.0.1
v2.1.0
v2.3.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-16587.json"
github.com/academysoftwarefoundation/openexr

Affected ranges

Type
GIT
Repo
https://github.com/academysoftwarefoundation/openexr
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8b5370c688a7362673c3a5256d93695617a4cd9a
Database specific 
{
    "source": "REFERENCES"
}

Affected versions

Other
OPENEXR_1_0_4
v1.*
v1.7.1
v2.*
v2.0.0
v2.0.0.GM
v2.0.1
v2.1.0
v2.3.0

Database specific

vanir_signatures_modified 
"2026-04-11T20:33:26Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-16587.json"
vanir_signatures 
[
    {
        "target": {
            "function": "MultiPartInputFile::Data::chunkOffsetReconstruction",
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 4663.0,
            "function_hash": "143967905294990520278655521811818684950"
        },
        "id": "CVE-2020-16587-2ec0a54b",
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "134578106560149560542039773809397150419",
                "64017740078096563740224162377099776518",
                "176058261214050518461075301377133407243",
                "101883906199073792821308977749009224060"
            ]
        },
        "id": "CVE-2020-16587-eec94311",
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a",
        "signature_type": "Line"
    }
]