CVE-2013-2494

ISC DHCP 4.2.x < 4.2.5-P1 - Denial of Service via Regular Expression in libdns

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://kb.isc.org/article/AA-00880/

Scores

EPSS 0.0104
EPSS Percentile 77.6%

Details

CWE
CWE-119
Status published
Products (6)
isc/dhcp 4.2.0 (7 CPE variants)
isc/dhcp 4.2.1 (3 CPE variants)
isc/dhcp 4.2.2 (3 CPE variants)
isc/dhcp 4.2.3 (3 CPE variants)
isc/dhcp 4.2.4 (2 CPE variants)
isc/dhcp 4.2.5
Published Mar 28, 2013
Tracked Since Feb 18, 2026