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

2020-07-22T23:15:11Z

Modified

2025-09-19T12:06:19.605813Z

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