CVE-2018-6197

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Source

https://cve.org/CVERecord?id=CVE-2018-6197

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6197.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2018-6197

Downstream

DLA-2195-1

USN-3555-1

Related

Published

2018-01-25T03:29:00Z

Modified

2026-07-08T16:41:03Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "12.04"
                },
                {
                    "last_affected":  "12.04"
                },
                {
                    "introduced":  "14.04"
                },
                {
                    "last_affected":  "14.04"
                },
                {
                    "introduced":  "16.04"
                },
                {
                    "last_affected":  "16.04"
                },
                {
                    "introduced":  "17.10"
                },
                {
                    "last_affected":  "17.10"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "canonical:ubuntu_linux"
        }
    ]
}

References

Affected packages

Git / github.com/tats/w3m

Affected ranges

Type

GIT

Repo

https://github.com/tats/w3m

Events

Introduced

Last Affected

5397d09e585a1938fb64bc9c5cd5daed1959eb90

Fixed

7fdc83b0364005a0b5ed869230dd81752ba022e8

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:tats:w3m:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.5.3"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

upstream/0.*

upstream/0.1.10+0.1.11pre+kokb23

upstream/0.3

upstream/0.5.1

upstream/0.5.2

upstream/0.5.3

v0.*

v0.5.3+debian-19

v0.5.3+git20150203

v0.5.3+git20150509

v0.5.3+git20150623

v0.5.3+git20150720

v0.5.3+git20150811

v0.5.3+git20151010

v0.5.3+git20151119

v0.5.3+git20160228

v0.5.3+git20160511

v0.5.3+git20160718

v0.5.3+git20161009

v0.5.3+git20161031

v0.5.3+git20161120

v0.5.3+git20170102

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6197.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "234083330726384299542122429291717521713",
                "180102379785573203008743059088392771803",
                "215493450600643236728018898545971092305",
                "51040730011497186161360051698764107823"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-6197-436a941a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8",
        "target":  {
            "file":  "form.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "337574361585344692693781186140243649189",
            "length":  2652
        },
        "id":  "CVE-2018-6197-a2d2436b",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8",
        "target":  {
            "file":  "form.c",
            "function":  "formUpdateBuffer"
        }
    }
]

vanir_signatures_modified

"2026-07-08T16:41:03Z"