ubuntu-cve-2016-2775
Vulnerability from osv_ubuntu
Published
2016-07-19 22:59
Modified
2026-04-22 07:37
Summary
Details
ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.
Severity
5.9 (Medium)
5.9 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "bind9",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "bind9-host",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "bind9utils",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "dnsutils",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "host",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "libbind9-90",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "libdns100",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "libisc95",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "libisccc90",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "libisccfg90",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "liblwres90",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
},
{
"binary_name": "lwresd",
"binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "bind9",
"purl": "pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm9?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.9.5.dfsg-3ubuntu0.19+esm9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:9.9.3.dfsg.P2-4ubuntu1",
"1:9.9.3.dfsg.P2-4ubuntu2",
"1:9.9.3.dfsg.P2-4ubuntu3",
"1:9.9.5.dfsg-2",
"1:9.9.5.dfsg-3",
"1:9.9.5.dfsg-3ubuntu0.1",
"1:9.9.5.dfsg-3ubuntu0.2",
"1:9.9.5.dfsg-3ubuntu0.3",
"1:9.9.5.dfsg-3ubuntu0.4",
"1:9.9.5.dfsg-3ubuntu0.5",
"1:9.9.5.dfsg-3ubuntu0.6",
"1:9.9.5.dfsg-3ubuntu0.7",
"1:9.9.5.dfsg-3ubuntu0.8",
"1:9.9.5.dfsg-3ubuntu0.9",
"1:9.9.5.dfsg-3ubuntu0.10",
"1:9.9.5.dfsg-3ubuntu0.11",
"1:9.9.5.dfsg-3ubuntu0.12",
"1:9.9.5.dfsg-3ubuntu0.13",
"1:9.9.5.dfsg-3ubuntu0.14",
"1:9.9.5.dfsg-3ubuntu0.15",
"1:9.9.5.dfsg-3ubuntu0.16",
"1:9.9.5.dfsg-3ubuntu0.17",
"1:9.9.5.dfsg-3ubuntu0.18",
"1:9.9.5.dfsg-3ubuntu0.19",
"1:9.9.5.dfsg-3ubuntu0.19+esm1",
"1:9.9.5.dfsg-3ubuntu0.19+esm2",
"1:9.9.5.dfsg-3ubuntu0.19+esm3",
"1:9.9.5.dfsg-3ubuntu0.19+esm4",
"1:9.9.5.dfsg-3ubuntu0.19+esm5",
"1:9.9.5.dfsg-3ubuntu0.19+esm6",
"1:9.9.5.dfsg-3ubuntu0.19+esm7"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "bind9",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "bind9-host",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "bind9utils",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "dnsutils",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "host",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libbind9-140",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libdns-export162",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libdns162",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libirs-export141",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libirs141",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisc-export160",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisc160",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisccc-export140",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisccc140",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisccfg-export140",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "libisccfg140",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "liblwres141",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
},
{
"binary_name": "lwresd",
"binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "bind9",
"purl": "pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.19+esm5?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:9.9.5.dfsg-11ubuntu1",
"1:9.9.5.dfsg-12",
"1:9.9.5.dfsg-12.1",
"1:9.9.5.dfsg-12.1ubuntu1",
"1:9.10.3.dfsg.P2-4",
"1:9.10.3.dfsg.P2-5",
"1:9.10.3.dfsg.P4-3",
"1:9.10.3.dfsg.P4-4",
"1:9.10.3.dfsg.P4-5",
"1:9.10.3.dfsg.P4-8",
"1:9.10.3.dfsg.P4-8ubuntu1",
"1:9.10.3.dfsg.P4-8ubuntu1.1",
"1:9.10.3.dfsg.P4-8ubuntu1.2",
"1:9.10.3.dfsg.P4-8ubuntu1.3",
"1:9.10.3.dfsg.P4-8ubuntu1.4",
"1:9.10.3.dfsg.P4-8ubuntu1.5",
"1:9.10.3.dfsg.P4-8ubuntu1.6",
"1:9.10.3.dfsg.P4-8ubuntu1.7",
"1:9.10.3.dfsg.P4-8ubuntu1.8",
"1:9.10.3.dfsg.P4-8ubuntu1.9",
"1:9.10.3.dfsg.P4-8ubuntu1.10",
"1:9.10.3.dfsg.P4-8ubuntu1.11",
"1:9.10.3.dfsg.P4-8ubuntu1.12",
"1:9.10.3.dfsg.P4-8ubuntu1.14",
"1:9.10.3.dfsg.P4-8ubuntu1.15",
"1:9.10.3.dfsg.P4-8ubuntu1.16",
"1:9.10.3.dfsg.P4-8ubuntu1.17",
"1:9.10.3.dfsg.P4-8ubuntu1.18",
"1:9.10.3.dfsg.P4-8ubuntu1.19",
"1:9.10.3.dfsg.P4-8ubuntu1.19+esm1",
"1:9.10.3.dfsg.P4-8ubuntu1.19+esm2",
"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
]
}
],
"aliases": [],
"details": "ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.",
"id": "UBUNTU-CVE-2016-2775",
"modified": "2026-04-22T07:37:56Z",
"published": "2016-07-19T22:59:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-2775"
},
{
"type": "REPORT",
"url": "https://kb.isc.org/article/AA-01393/74/CVE-2016-2775"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5747-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-2775"
}
],
"related": [
"USN-5747-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2016-2775"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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