CVE-2018-6196

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Source
https://cve.org/CVERecord?id=CVE-2018-6196
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6196.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-6196
Downstream
Related
Published
2018-01-25T03:29:00Z
Modified
2026-07-08T20:30:31Z
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 an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.

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
0 Unknown introduced commit / All previous commits are affected
Last Affected
5397d09e585a1938fb64bc9c5cd5daed1959eb90
Fixed
8354763b90490d4105695df52674d0fcef823e92
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-2018-6196.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "278690477708259092384061663626912926247",
            "length":  837
        },
        "id":  "CVE-2018-6196-0c94ae60",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92",
        "target":  {
            "file":  "table.c",
            "function":  "feed_table_block_tag"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "231221962090317999890985321835188342336",
                "118916730262232336109454661041128337328",
                "166230395138077676149499068463892012324",
                "104065997999367729875709519296307791262",
                "192457102866877763703738991838686581090",
                "293925181627931240598191685329173744191",
                "181746325681245394942630939017618190698",
                "225439380327822606701522193529102835607"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-6196-2fc2f8b5",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92",
        "target":  {
            "file":  "table.c"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T20:30:31Z"