CVE-2017-12986

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-12986
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-12986.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-12986
Downstream
Related
Published
2017-09-14T06:29:00Z
Modified
2025-10-15T08:45:26.557468Z
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
Fixed
7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21c

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-bp

Database specific

vanir_signatures

[
    {
        "id": "CVE-2017-12986-4d7a2901",
        "signature_type": "Line",
        "source": "https://github.com/the-tcpdump-group/tcpdump/commit/7ac73d6cd41e9d4ac0ca7e6830ca390e195bb21c",
        "target": {
            "file": "ip6.h"
        },
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "192707722051195284161584889376195263419",
                "221458468991469620263554047268183003623",
                "247800741027474284885436326737696942658",
                "135847807847197040153488082620276053087",
                "117276732660065893194407804521681065670",
                "302677013742355543193013432006490799068"
            ],
            "threshold": 0.9
        }
    }
]