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
2020-07-16T18:15:13Z
Modified
2026-10-20T13:43:02Z
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 bit_write_TF 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
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "0.9.3"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "95cc9300430d35feb05b06a9badf678419463dbe"
                }
            ],
            "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-2019-20915.json"
vanir_signatures 
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            "length":  523
        },
        "id":  "CVE-2019-20915-210ac7c4",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libredwg/libredwg/commit/95cc9300430d35feb05b06a9badf678419463dbe",
        "target":  {
            "file":  "src/bits.c",
            "function":  "bit_write_UMC"
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        "source":  "https://github.com/libredwg/libredwg/commit/95cc9300430d35feb05b06a9badf678419463dbe",
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            "function":  "bit_write_MC"
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vanir_signatures_modified 
"2026-10-20T13:43:02Z"