CVE-2021-3888

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Source
https://cve.org/CVERecord?id=CVE-2021-3888
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3888.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3888
Published
2021-10-19T13:15:11.927Z
Modified
2026-07-08T12:40:59.675055Z
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

libmobi is vulnerable to Use of Out-of-range Pointer Offset

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
40c21718a30e01ddffe4a16b6cbb2651d701d4ae
Fixed
c78e186739b50d156cb3da5d08d70294f0490853
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.8"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:libmobi_project:libmobi:*:*:*:*:*:*:*:*"
}

Affected versions

v0.*
v0.2
v0.3
v0.4
v0.5
v0.6
v0.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3888.json"
vanir_signatures 
[
    {
        "target": {
            "file": "src/read.c"
        },
        "deprecated": false,
        "source": "https://github.com/bfabiszewski/libmobi/commit/c78e186739b50d156cb3da5d08d70294f0490853",
        "id": "CVE-2021-3888-1cbcfef0",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "159374306872079646097456153994653664311",
                "2889248071603708294494071628232096002",
                "75372525134847231269862673464474276074",
                "54339760918514445015195324222774347134"
            ]
        },
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "mobi_parse_huffdic",
            "file": "src/read.c"
        },
        "deprecated": false,
        "source": "https://github.com/bfabiszewski/libmobi/commit/c78e186739b50d156cb3da5d08d70294f0490853",
        "id": "CVE-2021-3888-2bd91934",
        "signature_version": "v1",
        "digest": {
            "length": 1456.0,
            "function_hash": "120454384590572294039099634957026075624"
        },
        "signature_type": "Function"
    }
]
vanir_signatures_modified 
"2026-07-08T12:40:59Z"