CVE-2019-20909

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Source
https://cve.org/CVERecord?id=CVE-2019-20909
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20909.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-20909
Published
2020-07-16T18:15:12Z
Modified
2026-05-30T13:24:46Z
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 dwg_encode_LWPOLYLINE in dwg.spec.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "last_affected":  "0.9.3"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "gnu:libredwg"
        },
        {
            "extracted_events":  [
                {
                    "fixed":  "0.9.3"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}
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
Fixed
d7913b893bfa98fab27f05825dc4cab2d3a20c83
Database specific
Show details 
{
    "source":  "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

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20909.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "80747704894915520246512868136121676260",
                "231873989768695155421010471171394967963",
                "69969983241233308991479822776630841974",
                "23214769376401507993246118675454567162"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-20909-da41e4d8",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libredwg/libredwg/commit/d7913b893bfa98fab27f05825dc4cab2d3a20c83",
        "target":  {
            "file":  "src/encode.c"
        }
    }
]
vanir_signatures_modified 
"2026-05-30T13:24:46Z"