CVE-2020-15904

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Source

https://nvd.nist.gov/vuln/detail/CVE-2020-15904

Import Source

https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15904.json

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2020-15904

Aliases

Published

2020-07-22T23:15:11.330Z

Modified

2025-11-14T10:52:16.776306Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.

References

Affected packages

Git / github.com/ilanschnell/bsdiff4

Affected ranges

Type: GIT
Repo: https://github.com/ilanschnell/bsdiff4
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

49a4cee2feef7deaf9d89e5e793a8824930284d7

Affected versions

1.*

1.0.0

1.0.1

1.1.0

1.1.1

1.1.2

1.1.3

1.1.4

1.1.5

1.1.6

1.1.7

1.1.8

1.1.9

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "340220858517578814907242374715912337294",
                "249112512010043413667638327401764711275",
                "189019597522981605886487086948941746768",
                "168663676184366194950515564497195890779",
                "149900700182757724265752921310883031126",
                "9488832237023589447927045093353610056",
                "162976897186473734919379098591521326167",
                "318887190277594465809371203738702984476",
                "219265411217723584566294589037845646733"
            ]
        },
        "target": {
            "file": "bsdiff4/core.c"
        },
        "signature_version": "v1",
        "id": "CVE-2020-15904-3e8f5ee8",
        "deprecated": false,
        "source": "https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7",
        "signature_type": "Line"
    },
    {
        "digest": {
            "function_hash": "322173807638438432450463636713655710926",
            "length": 1613.0
        },
        "target": {
            "file": "bsdiff4/core.c",
            "function": "patch"
        },
        "signature_version": "v1",
        "id": "CVE-2020-15904-71af10c9",
        "deprecated": false,
        "source": "https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7",
        "signature_type": "Function"
    }
]