4.9

CVE-2013-2494: isc dhcp

CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2013-2494DEBIAN-CVE-2013-2494
Published 28-03-2013Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2013-2494 is a medium (CVSS 4.9) vulnerability in isc dhcp. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.7% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-03-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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 metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • isc-dhcp< 4.2.4-6
Isc1 product
  • dhcp4.2.0 | 4.2.0:a1 | 4.2.0:a2 | 4.2.0:b1 | 4.2.0:b2 | 4.2.0:p1 | 4.2.0:rc1 | 4.2.1 | 4.2.1:b1 | 4.2.1:rc1 | 4.2.2 | 4.2.2:b1 | 4.2.2:rc1 | 4.2.3 | 4.2.3:p1 | 4.2.3:p2 | 4.2.4 | 4.2.4:p1 | 4.2.5
Ubuntu1 product
  • isc-dhcp< 4.2.4-7ubuntu12.3

3 vendors · 3 products

References

4 links