CVE-2013-2494

Published: Mar 28, 2013Modified: Apr 29, 2026

4.9

Vector

AV:N/AC:H/Au:S/C:N/I:N/A:C

Exploitability: 3.9 / Impact: 6.9

Source: NVD

Description

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.

Affected (19)

Products: Isc: Dhcp

Isc

1 product

Dhcp

Configuration A

19 vulnerable

Vulnerable Software	Affected Versions
Isc Dhcp	Version 4.2.0
Isc Dhcp	Version 4.2.0 a1
Isc Dhcp	Version 4.2.0 a2
Isc Dhcp	Version 4.2.0 b1
Isc Dhcp	Version 4.2.0 b2
Isc Dhcp	Version 4.2.0 p1
Isc Dhcp	Version 4.2.0 rc1
Isc Dhcp	Version 4.2.1
Isc Dhcp	Version 4.2.1 b1
Isc Dhcp	Version 4.2.1 rc1
Isc Dhcp	Version 4.2.2
Isc Dhcp	Version 4.2.2 b1
Isc Dhcp	Version 4.2.2 rc1
Isc Dhcp	Version 4.2.3
Isc Dhcp	Version 4.2.3 p1
Isc Dhcp	Version 4.2.3 p2
Isc Dhcp	Version 4.2.4
Isc Dhcp	Version 4.2.4 p1
Isc Dhcp	Version 4.2.5

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (2)

https://kb.isc.org/article/AA-00880/

Source: cve@mitre.org

Vendor Advisory

https://kb.isc.org/article/AA-00880/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.