CVE-2017-12985

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Source
https://cve.org/CVERecord?id=CVE-2017-12985
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12985.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-12985
Downstream
DEBIAN (1)
MGASA (1)
openSUSE (1)
RHEA (1)
SUSE (2)
UBUNTU (1)
Related
openSUSE (1)
SUSE (2)
Published
2017-09-14T06:29:00Z
Modified
2026-10-24T14:02:26Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The IPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-ip6.c:ip6_print().

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "range": [
                        {
                            "last_affected": "4.9.1"
                        }
                    ],
                    "source": "CPE_RANGE"
                }
            ],
            "vendor_product": "tcpdump:tcpdump"
        }
    ]
}
References

Affected packages

Git / github.com/the-tcpdump-group/tcpdump

Affected ranges

Type
GIT
Repo
https://github.com/the-tcpdump-group/tcpdump
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
993a67c8e648bc8b19881e29a60f41273cfbee7b
Fixed
66df248b49095c261138b5a5e34d341a6bf9ac7f
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "4.9.1"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "range": [
                {
                    "fixed": "66df248b49095c261138b5a5e34d341a6bf9ac7f"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

tcpdump-3.*
tcpdump-3.5.1
tcpdump-3.6.1
tcpdump-3.7.1
tcpdump-3.8-bp
tcpdump-4.*
tcpdump-4.5.0
tcpdump-4.6.0
tcpdump-4.6.0-bp
tcpdump-4.7.0-bp
tcpdump-4.9.0
tcpdump-4.9.0-bp
tcpdump-4.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12985.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "329357316900423219182803092609125885853",
                "187436231855345951100735712027368965278",
                "320712357575833600979748096067006272547",
                "282589018150683854520773903877271280560",
                "205555667095811577949446909573802156001",
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                "90527631626152371348089329872529910848",
                "234645694689860118065036478087340115874",
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                "33980464592361238179255276689847590787",
                "197157377982268151628380897928983319726",
                "63345640709182781353404072402272129882",
                "126312167875054592672414926294694574736",
                "69910482746023931902407474210156233552",
                "89232713943518421841799565967472437463"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2017-12985-166ddcbb",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/66df248b49095c261138b5a5e34d341a6bf9ac7f",
        "target": {
            "file": "print-ip6.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "281509564500826239494950034711445233155",
                "190609416096967775519926632994143017179"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2017-12985-aec91162",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/66df248b49095c261138b5a5e34d341a6bf9ac7f",
        "target": {
            "file": "print-mobility.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "169330906075847559816538962733623101211",
            "length": 3973
        },
        "id": "CVE-2017-12985-f2297c56",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/66df248b49095c261138b5a5e34d341a6bf9ac7f",
        "target": {
            "file": "print-ip6.c",
            "function": "ip6_print"
        }
    }
]
vanir_signatures_modified 
"2026-10-24T14:02:26Z"