CVE-2019-11766

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Source

https://cve.org/CVERecord?id=CVE-2019-11766

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11766.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2019-11766

Downstream

DEBIAN-CVE-2019-11766

UBUNTU-CVE-2019-11766

Published

2019-05-05T06:29:00Z

Modified

2026-08-27T08:14:23Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.

Database specific

{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                },
                {
                    "introduced": "10.0"
                },
                {
                    "last_affected": "10.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux"
        }
    ]
}

References

Affected packages

Git / github.com/NetworkConfiguration/dhcpcd

Affected ranges

Type

GIT

Repo

https://github.com/NetworkConfiguration/dhcpcd

Events

Introduced

Fixed

32ecbd429a7b3911b6763cb4e4b06b0b40f84270

Introduced

dbbb02133ce761dafb42daef0b2eb6eaf8bf403d

Fixed

d30538898e39cc9a49ced4e67e91013d1d84a2c2

Database specific

Show details

{
    "cpe": "cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "6.11.7"
        },
        {
            "introduced": "7.0.0"
        },
        {
            "fixed": "7.2.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v3.*

v3.2.3

v5.*

v5.0.1

v5.0.2

v5.0.3

v5.0.4

v5.0.5

v5.0.6

v5.1.0

v5.1.1

v5.1.2

v5.1.3

v5.1.4

v5.1.5

v5.2.0

v5.2.1

v5.2.10

v5.2.11

v5.2.12

v5.2.2

v5.2.3

v5.2.4

v5.2.6

v5.2.7

v5.2.9

v5.5.0

v5.5.1

v5.5.2

v5.5.3

v5.5.4

v5.5.5

v5.5.6

v5.6.0

v5.6.1

v5.6.2

v5.99.3

v5.99.6

v5.99.7

v6.*

v6.0.0

v6.0.1

v6.0.2

v6.0.3

v6.0.4

v6.0.5

v6.1.0

v6.10.0

v6.10.1

v6.10.2

v6.10.3

v6.11.0

v6.11.1

v6.11.2

v6.11.3

v6.11.4

v6.11.5

v6.11.6

v6.2.0

v6.2.1

v6.3.0

v6.3.1

v6.3.2

v6.4.0

v6.4.1

v6.4.2

v6.4.3

v6.4.4

v6.4.5

v6.4.6

v6.4.7

v6.5.0

v6.5.1

v6.6.0

v6.6.1

v6.6.2

v6.6.3

v6.6.4

v6.6.5

v6.6.6

v6.6.7

v6.7.0

v6.7.1

v6.8.0

v6.8.1

v6.8.2

v6.9.0

v6.9.1

v6.9.2

v6.9.3

v6.9.4

v7.*

v7.0.0

v7.0.1

v7.0.2

v7.0.3

v7.0.4

v7.0.5

v7.0.5a

v7.0.5b

v7.0.6

v7.0.7

v7.0.8

v7.1.0

v7.1.1

v7.2.0

v7.2.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11766.json"

vanir_signatures

[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "129949654370244262757538485416123606766",
            "length": 3042
        },
        "id": "CVE-2019-11766-e16b9d3d",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/NetworkConfiguration/dhcpcd/commit/d30538898e39cc9a49ced4e67e91013d1d84a2c2",
        "target": {
            "file": "src/dhcp6.c",
            "function": "dhcp6_findpd"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "128791362724316076833846390335608624616",
                "276512548865701510008981561576257645523",
                "164597777333323718200872289213334073819",
                "37736796150810945481206810595216785099",
                "43626031906383246725332989478497325814",
                "12939491439161782283134484832739147034",
                "56198155499831416563622155107367737444",
                "278973541740820641167815533192217982337",
                "231857893143996889906446267693147760429"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-11766-e35b638e",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/NetworkConfiguration/dhcpcd/commit/d30538898e39cc9a49ced4e67e91013d1d84a2c2",
        "target": {
            "file": "src/dhcp6.c"
        }
    }
]

vanir_signatures_modified

"2026-08-27T08:14:23Z"

Git / github.com/networkconfiguration/dhcpcd

Affected ranges

Type

GIT

Repo

https://github.com/networkconfiguration/dhcpcd

Events

Introduced

Fixed

32ecbd429a7b3911b6763cb4e4b06b0b40f84270

Introduced

dbbb02133ce761dafb42daef0b2eb6eaf8bf403d

Fixed

d30538898e39cc9a49ced4e67e91013d1d84a2c2

Database specific

Show details

{
    "cpe": "cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "6.11.7"
        },
        {
            "introduced": "7.0.0"
        },
        {
            "fixed": "7.2.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v3.*

v3.2.3

v5.*

v5.0.1

v5.0.2

v5.0.3

v5.0.4

v5.0.5

v5.0.6

v5.1.0

v5.1.1

v5.1.2

v5.1.3

v5.1.4

v5.1.5

v5.2.0

v5.2.1

v5.2.10

v5.2.11

v5.2.12

v5.2.2

v5.2.3

v5.2.4

v5.2.6

v5.2.7

v5.2.9

v5.5.0

v5.5.1

v5.5.2

v5.5.3

v5.5.4

v5.5.5

v5.5.6

v5.6.0

v5.6.1

v5.6.2

v5.99.3

v5.99.6

v5.99.7

v6.*

v6.0.0

v6.0.1

v6.0.2

v6.0.3

v6.0.4

v6.0.5

v6.1.0

v6.10.0

v6.10.1

v6.10.2

v6.10.3

v6.11.0

v6.11.1

v6.11.2

v6.11.3

v6.11.4

v6.11.5

v6.11.6

v6.2.0

v6.2.1

v6.3.0

v6.3.1

v6.3.2

v6.4.0

v6.4.1

v6.4.2

v6.4.3

v6.4.4

v6.4.5

v6.4.6

v6.4.7

v6.5.0

v6.5.1

v6.6.0

v6.6.1

v6.6.2

v6.6.3

v6.6.4

v6.6.5

v6.6.6

v6.6.7

v6.7.0

v6.7.1

v6.8.0

v6.8.1

v6.8.2

v6.9.0

v6.9.1

v6.9.2

v6.9.3

v6.9.4

v7.*

v7.0.0

v7.0.1

v7.0.2

v7.0.3

v7.0.4

v7.0.5

v7.0.5a

v7.0.5b

v7.0.6

v7.0.7

v7.0.8

v7.1.0

v7.1.1

v7.2.0

v7.2.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11766.json"

vanir_signatures

[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "128791362724316076833846390335608624616",
                "276512548865701510008981561576257645523",
                "164597777333323718200872289213334073819",
                "37736796150810945481206810595216785099",
                "43626031906383246725332989478497325814",
                "12939491439161782283134484832739147034",
                "56198155499831416563622155107367737444",
                "278973541740820641167815533192217982337",
                "231857893143996889906446267693147760429"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-11766-03ad4df6",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/networkconfiguration/dhcpcd/commit/d30538898e39cc9a49ced4e67e91013d1d84a2c2",
        "target": {
            "file": "src/dhcp6.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "129949654370244262757538485416123606766",
            "length": 3042
        },
        "id": "CVE-2019-11766-0a25a507",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/networkconfiguration/dhcpcd/commit/d30538898e39cc9a49ced4e67e91013d1d84a2c2",
        "target": {
            "file": "src/dhcp6.c",
            "function": "dhcp6_findpd"
        }
    }
]

vanir_signatures_modified

"2026-08-27T08:14:23Z"