7.8

CVE-2011-2749: canonical ubuntu_linux Improper Input Validation

CVSS: 7.8v2.0HighModified
AliasesDEBIAN-CVE-2011-2749
Published 15-08-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-2749 is a high (CVSS 7.8) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 38.77% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
38.77%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 1

Timeline

  1. 15-08-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

38.77%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 38.77% on 18-09-2026

18-09-202618-10-2026
EPSS score
38.77%

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

Debian2 products
Canonical1 product
Isc1 product
  • dhcp3.0 | 3.0.1 | 3.0.1:rc1 | 3.0.1:rc10 | 3.0.1:rc11 | 3.0.1:rc12 | 3.0.1:rc13 | 3.0.1:rc14 | 3.0.1:rc2 | 3.0.1:rc5 | 3.0.1:rc6 | 3.0.1:rc7 | 3.0.1:rc8 | 3.0.1:rc9 | 3.0.2 | 3.0.2:b1 | 3.0.2:rc1 | 3.0.2:rc2 | 3.0.2:rc3 | 3.0.3:b1 | 3.0.3:b2 | 3.0.3:b3 | 3.0.4 | 3.0.4:b1 | 3.0.4:b2 | 3.0.4:b3 | 3.0.4:rc1 | 3.0.5 | 3.0.5:rc1 | 3.0.6:rc1 | 3.1 | 3.1-esv | 3.1.0 | 3.1.0:a1 | 3.1.0:a2 | 3.1.0:a3 | 3.1.0:b1 | 3.1.0:b2 | 3.1.0:rc1 | 3.1.1 | 3.1.1:rc1 | 3.1.1:rc2 | 3.1.2 | 3.1.2:b1 | 3.1.2:rc1 | 3.1.3 | 3.1.3:b1 | 3.1.3:rc1 | 4.0 | 4.0-esv | 4.0.0 | 4.0.1 | 4.0.1:b1 | 4.0.1:rc1 | 4.0.2 | 4.0.2:b1 | 4.0.2:b2 | 4.0.2:b3 | 4.0.2:rc1 | 4.0.3 | 4.0.3:b1 | 4.0.3:rc1 | 4.1-esv | 4.1-esv:r1 | 4.1-esv:r2 | 4.1-esv:r3 | 4.1-esv:r3_b1 | 4.1-esv:rc1 | 4.1.0 | 4.1.1 | 4.1.1:b1 | 4.1.1:b2 | 4.1.1:b3 | 4.1.1:rc1 | 4.1.2 | 4.2.0 | 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

3 vendors · 4 products

References

25 links
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