CVE-2017-14062

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-14062
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14062.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-14062
Downstream
Related
Published
2017-08-31T16:29:00Z
Modified
2025-10-21T04:11:26.893542Z
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

Integer overflow in the decodedigit function in punydecode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.

References

Affected packages

Git / gitlab.com/libidn/libidn2

Affected ranges

Type
GIT
Repo
https://gitlab.com/libidn/libidn2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd

Affected versions

libidn2-0.*

libidn2-0.10
libidn2-0.11
libidn2-0.12
libidn2-0.13
libidn2-0.14
libidn2-0.15
libidn2-0.16
libidn2-0.3
libidn2-0.4
libidn2-0.5
libidn2-0.6
libidn2-0.7
libidn2-0.8
libidn2-0.9

libidn2-2.*

libidn2-2.0.0
libidn2-2.0.1
libidn2-2.0.2
libidn2-2.0.3

Database specific

vanir_signatures

[
    {
        "source": "https://gitlab.com/libidn/libidn2@3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd",
        "target": {
            "function": "decode_digit",
            "file": "lib/puny_decode.c"
        },
        "deprecated": false,
        "id": "CVE-2017-14062-194d3fc3",
        "signature_version": "v1",
        "digest": {
            "length": 148.0,
            "function_hash": "313882673285016518128630165626723743907"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://gitlab.com/libidn/libidn2@3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd",
        "target": {
            "file": "lib/puny_decode.c"
        },
        "deprecated": false,
        "id": "CVE-2017-14062-1d28844e",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "43904967590308749126868750972375720094",
                "18784458650069066797871328945181615331",
                "172304325264056262429336589102177325122",
                "155990908113113352355167740056706910841",
                "264332720225271700911696988311842247249",
                "185260318738334673316606558567720620866",
                "8726986100073362512337504510611391869"
            ]
        },
        "signature_type": "Line"
    }
]