CVE-2021-20299

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

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

Fixed

25e9515b06a6bc293d871622b8cafaee7af84e0f

Affected versions

Other

OPENEXR_1_0_4

v1.*

v1.7.1

v2.*

v2.0.0

v2.0.0.GM

v2.0.0.beta.1

v2.0.0.beta.2

v2.0.1

v2.1.0

v2.2.0

v2.3.0

v2.4.0

v2.4.0-beta.1

v2.5.0

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20299.json"

vanir_signatures

[
    {
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f",
        "target": {
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp",
            "function": "MultiPartInputFile::initialize"
        },
        "digest": {
            "function_hash": "43558481971026544418189989374291445407",
            "length": 2381.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-20299-3d08d917"
    },
    {
        "source": "https://github.com/academysoftwarefoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f",
        "target": {
            "file": "OpenEXR/IlmImf/ImfMultiPartInputFile.cpp"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "28155319397136080869076402182794052168",
                "257619579668239048862849654878369929255",
                "277641654627410222250634413143467961571"
            ]
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2021-20299-7a099640"
    }
]

Git / github.com/openexr/openexr