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CVE-2013-2494

Published: Mar 28, 2013Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
4.9CVSSMEDIUM
EPSS Score
1.2%
Top 36.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HAu:SC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:HAccess Complexity
High
Au:SAuthentication
Single
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
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Weaknesses

CWE-119

Affected Products

n/an/a
dhcpiscNetworking Infrastructure
Gentoo LinuxGentoo Foundation Inc.
On-premOS
Operating Systems / linux-distro
isccommercialUSNetworking Infrastructureaka internet systems consortium
gentoo foundation inc.oss-projectUSOperating Systems

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://kb.isc.org/article/AA-00880/
kb.isc.org
http://security.gentoo.org/glsa/glsa-201401-05.xml
security.gentoo.org

Timeline

Published
Mar 28, 2013
Last Updated
Apr 29, 2026

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