CVE-2017-12986

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Source
https://cve.org/CVERecord?id=CVE-2017-12986
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12986.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-12986
Downstream
Related
Published
2017-09-14T06:29:00.623Z
Modified
2026-07-08T12:44:21.384730Z
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 routing header parser in tcpdump before 4.9.2 has a buffer over-read in print-rt6.c:rt6_print().

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
7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21c
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.9.1"
        }
    ]
}

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

vanir_signatures_modified 
"2026-07-08T12:44:21Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12986.json"
vanir_signatures 
[
    {
        "id": "CVE-2017-12986-4d7a2901",
        "digest": {
            "line_hashes": [
                "192707722051195284161584889376195263419",
                "221458468991469620263554047268183003623",
                "247800741027474284885436326737696942658",
                "135847807847197040153488082620276053087",
                "117276732660065893194407804521681065670",
                "302677013742355543193013432006490799068"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21c",
        "deprecated": false,
        "target": {
            "file": "ip6.h"
        }
    }
]