CVE-2019-12900

Source
https://nvd.nist.gov/vuln/detail/CVE-2019-12900
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12900.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-12900
Aliases
Downstream
Related
Published
2019-06-19T23:15:09Z
Modified
2025-11-07T14:35:45Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

References

Affected packages

Git / github.com/python/cpython

Affected ranges

Type
GIT
Repo
https://github.com/python/cpython
Events

Git / gitlab.com/federicomenaquintero/bzip2

Affected ranges

Type
GIT
Repo
https://gitlab.com/federicomenaquintero/bzip2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Database specific

vanir_signatures

[
    {
        "id": "CVE-2019-12900-85543407",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "decompress.c"
        },
        "source": "https://gitlab.com/federicomenaquintero/bzip2@74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc",
        "digest": {
            "line_hashes": [
                "193662908927078745708702042109529205902",
                "16813243021549239572194252372936960661",
                "154544188480167473863108834568414589177",
                "294592855379212741126804546922529497937"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line"
    },
    {
        "id": "CVE-2019-12900-fedadc1c",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "decompress.c",
            "function": "BZ2_decompress"
        },
        "source": "https://gitlab.com/federicomenaquintero/bzip2@74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc",
        "digest": {
            "length": 13498.0,
            "function_hash": "188338681100398363911181230312621404683"
        },
        "signature_type": "Function"
    }
]