CVE-2019-20912

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Source
https://cve.org/CVERecord?id=CVE-2019-20912
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20912.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20912
Published
2020-07-16T18:15:13.407Z
Modified
2026-04-11T09:40:06.509539Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in GNU LibreDWG through 0.9.3. Crafted input will lead to a stack overflow in bits.c, possibly related to bitreadTF.

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
b84c2cab55948a5ee70860779b2640913e3ee1ed
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-2019-20912.json"
vanir_signatures_modified 
"2026-04-11T09:40:06Z"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed",
        "digest": {
            "function_hash": "96338434088265487358644619236390278650",
            "length": 523.0
        },
        "id": "CVE-2019-20912-6862cdb7",
        "deprecated": false,
        "target": {
            "file": "src/bits.c",
            "function": "bit_write_UMC"
        }
    },
    {
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "113052727542273460921737678445611708993",
                "152939320705181754443722810749730501374",
                "288378964425942374801464293818649235698",
                "192192677306202081307193547809927986179"
            ]
        },
        "id": "CVE-2019-20912-6e88b68b",
        "deprecated": false,
        "target": {
            "file": "src/bits.c"
        }
    }
]