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Unrated severityNVD Advisory· Published Mar 28, 2013· Updated Apr 29, 2026

CVE-2013-2494

CVE-2013-2494

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 products

19
  • Isc/Dhcp19 versions
    cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*+ 18 more
    • cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*
    • cpe:2.3:a:isc:dhcp:4.2.5:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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