CVE-2013-2494

mediumpriority · track · 20EPSS 0.012 · 67 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.17% (67th) EPSS

CVSS 4.9 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:N/AC:H/Au:S/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v2.04.9mediumAV:N/AC:H/Au:S/C:N/I:N/A:Csecondary · FSTEC (BDU) RU

v2.04.2mediumAV:N/AC:H/Au:S/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Gentoo Foundation Inc. Gentoo Linux≤ 20140826fstec_bduRU
isc dhcp= 4.2.0nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
isc dhcp= 4.2.1nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
isc dhcp= 4.2.2nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
isc dhcp= 4.2.3nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
isc dhcp= 4.2.4nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
isc dhcp= 4.2.5nvdUScpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2013-03-28modified 2026-06-16

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+21023 more

references (3)

External citations — patches, advisories, analysis.

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