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CVE-2013-2494

MEDIUM · CVSS 4.9EPSS 1.2%EU EUVD

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.

Key facts

CVSS score
4.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:H/Au:S/C:N/I:N/A:C
Weakness (CWE)
CWE-119
EPSS score
1.2% (67th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-2440)
Published
March 28, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-2440 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp
  • isc / dhcp

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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