CVE-2019-16866

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Source
https://cve.org/CVERecord?id=CVE-2019-16866
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-16866.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-16866
Downstream
Related
Published
2019-10-03T19:15:09.550Z
Modified
2026-05-30T13:55:47.009016Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "19.04"
                }
            ],
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/nlnetlabs/unbound

Affected ranges

Type
GIT
Repo
https://github.com/nlnetlabs/unbound
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b60c4a472c856f0a98120b7259e991b3a6507eb5
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.9.4"
        }
    ],
    "cpe": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

Other
final-svn-state
release-0.*
release-0.0
release-0.1
release-0.10
release-0.11
release-0.3
release-0.4
release-0.5
release-0.6
release-0.7
release-0.8
release-1.*
release-1.0.1
release-1.1.1
release-1.3.1
release-1.3.2
release-1.3.3
release-1.3.3rc1
release-1.4.0
release-1.4.0rc1
release-1.4.1
release-1.4.11
release-1.4.11rc1
release-1.4.11rc2
release-1.4.11rc3
release-1.4.12rc1
release-1.4.13
release-1.4.13rc1
release-1.4.13rc2
release-1.4.14
release-1.4.14rc1
release-1.4.17
release-1.4.17rc1
release-1.4.18rc1
release-1.4.18rc2
release-1.4.19
release-1.4.19rc1
release-1.4.2
release-1.4.20
release-1.4.22
release-1.4.22rc1
release-1.4.3
release-1.4.4
release-1.4.4rc1
release-1.4.5
release-1.4.5rc1
release-1.4.6
release-1.4.6rc1
release-1.4.7
release-1.4.7rc1
release-1.4.8rc1
release-1.4.9
release-1.4.9rc1
release-1.5.0rc1
release-1.5.1
release-1.5.10
release-1.5.10rc1
release-1.5.1rc1
release-1.5.1rc2
release-1.5.2
release-1.5.2rc1
release-1.5.3rc1
release-1.5.4
release-1.5.4rc1
release-1.5.5
release-1.5.5rc1
release-1.5.6
release-1.5.6rc1
release-1.5.7
release-1.5.8
release-1.5.8rc1
release-1.5.9rc1
release-1.6.0rc1
release-1.6.1rc1
release-1.6.1rc2
release-1.6.1rc3
release-1.6.2rc1
release-1.6.4rc1
release-1.6.4rc2
release-1.6.6rc1
release-1.6.6rc2
release-1.6.7
release-1.6.7rc1
release-1.7.0rc1
release-1.7.0rc2
release-1.7.0rc3
release-1.7.1rc1
release-1.7.2rc1
release-1.7.3rc1
release-1.8.0rc1
release-1.8.1rc1
release-1.8.2rc1
release-1.9.0rc1
release-1.9.1rc1
release-1.9.2
release-1.9.2rc1
release-1.9.2rc2
release-1.9.2rc3
release-1.9.3
release-1.9.3rc1
release-1.9.3rc2

Database specific

vanir_signatures 
[
    {
        "digest": {
            "function_hash": "108668804525512968521245781772799358515",
            "length": 1189.0
        },
        "id": "CVE-2019-16866-a87db40c",
        "signature_version": "v1",
        "target": {
            "file": "util/data/msgparse.c",
            "function": "parse_edns_from_pkt"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://github.com/nlnetlabs/unbound/commit/b60c4a472c856f0a98120b7259e991b3a6507eb5"
    },
    {
        "digest": {
            "line_hashes": [
                "292524766814039243193904328654959074879",
                "190926310423276515140667372296911008744",
                "27514708243843590347563265495800561936",
                "321487332142836091478680797073649085277",
                "177862212439668206665125480104738939871",
                "304073190949653618221352769714700421182",
                "199722816380111729655073334388716968684",
                "233512743183297187893823043763183726154",
                "76661932854880288768020708891397209453",
                "66006337680159787882268731652111930503",
                "60537033214054800082483590096565279745",
                "238432217213848269294299437068420066889",
                "312452348986823874315585376232563627845",
                "296348926669326276626544425712432599022",
                "74495676082743279379696710893359824232"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-16866-b0fea212",
        "signature_version": "v1",
        "target": {
            "file": "util/data/msgparse.c"
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://github.com/nlnetlabs/unbound/commit/b60c4a472c856f0a98120b7259e991b3a6507eb5"
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-16866.json"
vanir_signatures_modified 
"2026-05-30T13:55:47Z"