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
2020-07-16T18:15:13Z
Modified
2026-10-20T13:43:01Z
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 bit_read_TF.

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
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "0.9.3"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "b84c2cab55948a5ee70860779b2640913e3ee1ed"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

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 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "96338434088265487358644619236390278650",
            "length":  523
        },
        "id":  "CVE-2019-20912-6862cdb7",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed",
        "target":  {
            "file":  "src/bits.c",
            "function":  "bit_write_UMC"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "113052727542273460921737678445611708993",
                "152939320705181754443722810749730501374",
                "288378964425942374801464293818649235698",
                "192192677306202081307193547809927986179"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2019-20912-6e88b68b",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed",
        "target":  {
            "file":  "src/bits.c"
        }
    }
]
vanir_signatures_modified 
"2026-10-20T13:43:01Z"