CVE-2019-16866
- Source
- https://nvd.nist.gov/vuln/detail/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
- 2019-10-03T19:15:09Z
- Modified
- 2025-10-13T08:29:09.100058Z
- 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.
- References
-
- https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
- https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
- https://usn.ubuntu.com/4149-1/
- https://www.debian.org/security/2019/dsa-4544
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/
- https://seclists.org/bugtraq/2019/Oct/23
Affected packages
Git / github.com/nlnetlabs/unbound
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nlnetlabs/unbound
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
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": [
{
"signature_version": "v1",
"source": "https://github.com/nlnetlabs/unbound/commit/b60c4a472c856f0a98120b7259e991b3a6507eb5",
"deprecated": false,
"id": "CVE-2019-16866-a87db40c",
"signature_type": "Function",
"digest": {
"length": 1189.0,
"function_hash": "108668804525512968521245781772799358515"
},
"target": {
"file": "util/data/msgparse.c",
"function": "parse_edns_from_pkt"
}
},
{
"signature_version": "v1",
"source": "https://github.com/nlnetlabs/unbound/commit/b60c4a472c856f0a98120b7259e991b3a6507eb5",
"deprecated": false,
"id": "CVE-2019-16866-b0fea212",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
"292524766814039243193904328654959074879",
"190926310423276515140667372296911008744",
"27514708243843590347563265495800561936",
"321487332142836091478680797073649085277",
"177862212439668206665125480104738939871",
"304073190949653618221352769714700421182",
"199722816380111729655073334388716968684",
"233512743183297187893823043763183726154",
"76661932854880288768020708891397209453",
"66006337680159787882268731652111930503",
"60537033214054800082483590096565279745",
"238432217213848269294299437068420066889",
"312452348986823874315585376232563627845",
"296348926669326276626544425712432599022",
"74495676082743279379696710893359824232"
]
},
"target": {
"file": "util/data/msgparse.c"
}
}
]
}