CVE-2019-20915

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Source
https://cve.org/CVERecord?id=CVE-2019-20915
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20915.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20915
Published
2020-07-16T18:15:13.860Z
Modified
2026-07-08T19:50:34.275696Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in GNU LibreDWG through 0.9.3. Crafted input will lead to a heap-based buffer over-read in bitwriteTF in bits.c.

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
95cc9300430d35feb05b06a9badf678419463dbe
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 
"2026-07-08T19:50:34Z"
vanir_signatures 
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        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "length": 523.0,
            "function_hash": "96338434088265487358644619236390278650"
        },
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/95cc9300430d35feb05b06a9badf678419463dbe",
        "id": "CVE-2019-20915-210ac7c4",
        "target": {
            "function": "bit_write_UMC",
            "file": "src/bits.c"
        }
    },
    {
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "length": 615.0,
            "function_hash": "18052524477363704424498150970287342147"
        },
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/95cc9300430d35feb05b06a9badf678419463dbe",
        "id": "CVE-2019-20915-3814b3b0",
        "target": {
            "function": "bit_write_MC",
            "file": "src/bits.c"
        }
    },
    {
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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        },
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/95cc9300430d35feb05b06a9badf678419463dbe",
        "id": "CVE-2019-20915-55eb21a0",
        "target": {
            "file": "src/bits.c"
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20915.json"