CVE-2021-3751

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3751
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3751.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3751
Published
2021-09-15T07:15:06.980Z
Modified
2025-11-14T12:07:23.050829Z
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

libmobi is vulnerable to Out-of-bounds Write

References

Affected packages

Git / github.com/bfabiszewski/libmobi

Affected ranges

Type
GIT
Repo
https://github.com/bfabiszewski/libmobi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v0.*

v0.2
v0.3
v0.4
v0.5
v0.6

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "120694252244805791903290417316973324711",
                "120333361470414790212041862905057810084",
                "242482985265602302095058247358560159784",
                "120221589808660705953910058901898346551",
                "253859431149654223752734219259169364840"
            ]
        },
        "source": "https://github.com/bfabiszewski/libmobi/commit/ab5bf0e37e540eac682a14e628853b918626e72b",
        "deprecated": false,
        "target": {
            "file": "src/buffer.c"
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "id": "CVE-2021-3751-8edb6631"
    },
    {
        "digest": {
            "function_hash": "280190109604768326930381359724459835257",
            "length": 576.0
        },
        "source": "https://github.com/bfabiszewski/libmobi/commit/ab5bf0e37e540eac682a14e628853b918626e72b",
        "deprecated": false,
        "target": {
            "function": "mobi_buffer_move",
            "file": "src/buffer.c"
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "id": "CVE-2021-3751-a9163d0e"
    }
]