UBUNTU-CVE-2013-2494

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Source
https://ubuntu.com/security/CVE-2013-2494
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-2494.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2013-2494
Upstream
Withdrawn
2025-07-18T16:42:52Z
Published
2013-03-28T16:55:00Z
Modified
2025-07-16T07:31:16Z
Severity
  • Ubuntu - low
Summary
[none]
Details

libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.

References

Affected packages

Ubuntu:14.04:LTS / isc-dhcp

Package

Name
isc-dhcp
Purl
pkg:deb/ubuntu/isc-dhcp@4.2.4-7ubuntu12.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.2.4-7ubuntu12.3

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "isc-dhcp-client",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-client-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-client-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-client-udeb",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-client-udeb-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-common",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-common-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-dev",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-relay",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-relay-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-relay-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-server",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-server-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-server-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-server-ldap",
            "binary_version": "4.2.4-7ubuntu12.3"
        },
        {
            "binary_name": "isc-dhcp-server-ldap-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-2494.json"