UBUNTU-CVE-2016-2774
- Source
- https://ubuntu.com/security/CVE-2016-2774
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2774.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-2774
- Upstream
- Downstream
- Related
- Published
- 2016-03-09T00:00:00Z
- Modified
- 2026-02-04T03:34:43.753808Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Ubuntu - low
- Summary
- [none]
- Details
-
ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.
- References
Affected packages
Ubuntu:14.04:LTS / isc-dhcp
Package
- Name
- isc-dhcp
- Purl
- pkg:deb/ubuntu/isc-dhcp@4.2.4-7ubuntu12.12?arch=source&distro=trusty
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.2.4-7ubuntu12.12
Affected versions
4.*
4.2.4-7ubuntu8
4.2.4-7ubuntu9
4.2.4-7ubuntu10
4.2.4-7ubuntu11
4.2.4-7ubuntu12
4.2.4-7ubuntu12.1
4.2.4-7ubuntu12.2
4.2.4-7ubuntu12.3
4.2.4-7ubuntu12.4
4.2.4-7ubuntu12.5
4.2.4-7ubuntu12.6
4.2.4-7ubuntu12.7
4.2.4-7ubuntu12.8
4.2.4-7ubuntu12.9
4.2.4-7ubuntu12.10
Ecosystem specific
{
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-client-noddns",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-dev",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.2.4-7ubuntu12.12"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.2.4-7ubuntu12.12"
}
],
"availability": "No subscription required"
}
Ubuntu:16.04:LTS / isc-dhcp
Package
- Name
- isc-dhcp
- Purl
- pkg:deb/ubuntu/isc-dhcp@4.3.3-5ubuntu12.9?arch=source&distro=xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.3.3-5ubuntu12.9
Affected versions
4.*
4.3.1-5ubuntu3
4.3.1-5ubuntu4
4.3.1-5ubuntu5
4.3.3-5ubuntu1
4.3.3-5ubuntu2
4.3.3-5ubuntu4
4.3.3-5ubuntu5
4.3.3-5ubuntu7
4.3.3-5ubuntu8
4.3.3-5ubuntu9
4.3.3-5ubuntu10
4.3.3-5ubuntu11
4.3.3-5ubuntu12
4.3.3-5ubuntu12.1
4.3.3-5ubuntu12.3
4.3.3-5ubuntu12.4
4.3.3-5ubuntu12.6
4.3.3-5ubuntu12.7
Ecosystem specific
{
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-dev",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.3.3-5ubuntu12.9"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.3.3-5ubuntu12.9"
}
],
"availability": "No subscription required"
}