CVE-2021-3889

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3889
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3889.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3889
Published
2021-10-19T13:15:11.977Z
Modified
2025-11-14T12:08:25.386085Z
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
bec783e6212439a335ba6e8df7ab8ed610ca9a21

Affected versions

v0.*

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

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "source": "https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21",
        "signature_type": "Line",
        "target": {
            "file": "src/compression.h"
        },
        "id": "CVE-2021-3889-8e24c8e7",
        "digest": {
            "line_hashes": [
                "60941633953866768929173956639993985641",
                "183843454184476539211598106013255501549",
                "143765066257043244895911758730691455220",
                "147513665195283254971157146680447318182",
                "140351231808443371633715668491813990186",
                "296309073408020226762114275721447844600",
                "127278800796710865628981060257648791801",
                "101974956512608900157789862989947945076"
            ],
            "threshold": 0.9
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21",
        "signature_type": "Function",
        "target": {
            "function": "mobi_decompress_huffman_internal",
            "file": "src/compression.c"
        },
        "id": "CVE-2021-3889-bbe46003",
        "digest": {
            "length": 1545.0,
            "function_hash": "4624666305156171928350655180407704292"
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21",
        "signature_type": "Function",
        "target": {
            "function": "mobi_parse_huff",
            "file": "src/read.c"
        },
        "id": "CVE-2021-3889-d75cbc27",
        "digest": {
            "length": 1347.0,
            "function_hash": "15982606896711580559032318799110888001"
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21",
        "signature_type": "Line",
        "target": {
            "file": "src/compression.c"
        },
        "id": "CVE-2021-3889-f6596980",
        "digest": {
            "line_hashes": [
                "320248425003798492802026060138869397908",
                "53738011554090313359502918295970605591",
                "80067300861157203983853007628640119367",
                "229029659698259163062567162243171267234"
            ],
            "threshold": 0.9
        },
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21",
        "signature_type": "Line",
        "target": {
            "file": "src/read.c"
        },
        "id": "CVE-2021-3889-f796c5c2",
        "digest": {
            "line_hashes": [
                "83711654140281194512571502054329484444",
                "141291084972431703333183233355891047729",
                "217331745260185525010947671041549721309",
                "199430023177546943535288491088830199563"
            ],
            "threshold": 0.9
        },
        "deprecated": false
    }
]