CVE-2019-20909

Source
https://cve.org/CVERecord?id=CVE-2019-20909
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20909.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20909
Published
2020-07-16T18:15:12.690Z
Modified
2026-07-08T19:50:33.370757Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 dwgencodeLWPOLYLINE in dwg.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
Fixed
Database specific
{
    "cpe": "cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.9.3"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

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

vanir_signatures_modified
"2026-07-08T19:50:33Z"
vanir_signatures
[
    {
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "80747704894915520246512868136121676260",
                "231873989768695155421010471171394967963",
                "69969983241233308991479822776630841974",
                "23214769376401507993246118675454567162"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/d7913b893bfa98fab27f05825dc4cab2d3a20c83",
        "id": "CVE-2019-20909-da41e4d8",
        "target": {
            "file": "src/encode.c"
        }
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20909.json"