CVE-2019-20914

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Source
https://cve.org/CVERecord?id=CVE-2019-20914
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20914.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20914
Published
2020-07-16T18:15:13.597Z
Modified
2026-04-11T09:39:57.071619Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwgencodecommonentityhandledata in commonentityhandledata.spec.

References

Affected packages

Git / github.com/libredwg/libredwg

Affected ranges

Type
GIT
Repo
https://github.com/libredwg/libredwg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ece161fd5e396fdb4094bdba027c5ea8476f73af
Fixed
3b837bb72d6b9ab4d563faa211f90efc257e3c96
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.9.3"
        }
    ]
}

Affected versions

0.*
0.3
0.4-dev
0.4.900
0.4.924
0.4.938
0.5
0.6
0.6.1
0.6.2
0.7
0.8
0.9
0.9.1
0.9.2
0.9.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20914.json"
vanir_signatures_modified 
"2026-04-11T09:39:57Z"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "203683506821898681955471721114965828673",
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            ]
        },
        "source": "https://github.com/libredwg/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96",
        "id": "CVE-2019-20914-7a33efd5",
        "signature_type": "Line",
        "target": {
            "file": "src/encode.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
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            ]
        },
        "source": "https://github.com/libredwg/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96",
        "id": "CVE-2019-20914-859cf1cf",
        "signature_type": "Line",
        "target": {
            "file": "programs/dwgrewrite.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 560.0,
            "function_hash": "31679730145492592359646180774799545980"
        },
        "source": "https://github.com/libredwg/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96",
        "id": "CVE-2019-20914-9dd380db",
        "signature_type": "Function",
        "target": {
            "function": "dwg_encode_header_variables",
            "file": "src/encode.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
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        },
        "source": "https://github.com/libredwg/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96",
        "id": "CVE-2019-20914-e7c25456",
        "signature_type": "Function",
        "target": {
            "function": "main",
            "file": "programs/dwgrewrite.c"
        }
    }
]