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TI-2016-02318 Aliases CVE-2016-2774GHSA-rg7r-5jqm-6r7j

ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the…

Priority HIGH 65CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 8 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.

Why it matters now

EPSS 0.73622 99th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 95

CPEVersionsRoleVendor
cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*4.1-esvVulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*4.1-esv r1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:*4.1-esv r10VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:*4.1-esv r10_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:*4.1-esv r11_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:*4.1-esv r11_rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:*4.1-esv r11_rc2VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:*4.1-esv r12VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:*4.1-esv r12_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*4.1-esv r2VulnerableISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:* Versions 4.1-esv Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* Versions 4.1-esv r1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:* Versions 4.1-esv r10 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:* Versions 4.1-esv r10_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:* Versions 4.1-esv r11_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:* Versions 4.1-esv r11_rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:* Versions 4.1-esv r11_rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:* Versions 4.1-esv r12 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:* Versions 4.1-esv r12_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:* Versions 4.1-esv r2 Vulnerable ·ISC
Show 85 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*4.1-esv r3VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*4.1-esv r3_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*4.1-esv r4VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*4.1-esv r5VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*4.1-esv r5_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*4.1-esv r5_rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*4.1-esv r5_rc2VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:*4.1-esv r6VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:*4.1-esv r7VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:*4.1-esv r8VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:*4.1-esv r8_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:*4.1-esv r8_rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:*4.1-esv r9VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:*4.1-esv r9_b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:*4.1-esv r9_rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*4.1-esv rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*4.1.0VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:*4.1.0 a1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:*4.1.0 a2VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:*4.1.0 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:*4.1.1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:*4.1.1 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:*4.1.1 b2VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*4.1.1 b3VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:p1:*:*:*:*:*:*4.1.1 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*4.1.1 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:*4.1.2VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:*4.1.2 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:*4.1.2 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:*4.1.2 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*4.2.0VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*4.2.0 a1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*4.2.0 a2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*4.2.0 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*4.2.0 b2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*4.2.0 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:p2:*:*:*:*:*:*4.2.0 p2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*4.2.0 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*4.2.1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*4.2.1 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.1:p1:*:*:*:*:*:*4.2.1 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*4.2.1 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:*4.2.2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*4.2.2 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*4.2.2 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:*4.2.3VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*4.2.3 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*4.2.3 p2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:-:*:*:*:*:*:*4.2.4VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:b1:*:*:*:*:*:*4.2.4 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*4.2.4 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:p2:*:*:*:*:*:*4.2.4 p2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:rc1:*:*:*:*:*:*4.2.4 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.4:rc2:*:*:*:*:*:*4.2.4 rc2VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.5:-:*:*:*:*:*:*4.2.5VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.5:b1:*:*:*:*:*:*4.2.5 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.5:p1:*:*:*:*:*:*4.2.5 p1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.5:rc1:*:*:*:*:*:*4.2.5 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.6:-:*:*:*:*:*:*4.2.6VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.6:b1:*:*:*:*:*:*4.2.6 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.6:rc1:*:*:*:*:*:*4.2.6 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.7:-:*:*:*:*:*:*4.2.7VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.7:b1:*:*:*:*:*:*4.2.7 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.7:rc1:*:*:*:*:*:*4.2.7 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.8:-:*:*:*:*:*:*4.2.8VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.8:b1:*:*:*:*:*:*4.2.8 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.8:rc1:*:*:*:*:*:*4.2.8 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.2.8:rc2:*:*:*:*:*:*4.2.8 rc2VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.0:-:*:*:*:*:*:*4.3.0VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.0:a1:*:*:*:*:*:*4.3.0 a1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.0:b1:*:*:*:*:*:*4.3.0 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.0:rc1:*:*:*:*:*:*4.3.0 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.1:-:*:*:*:*:*:*4.3.1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.1:b1:*:*:*:*:*:*4.3.1 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.1:rc1:*:*:*:*:*:*4.3.1 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.2:-:*:*:*:*:*:*4.3.2VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.2:b1:*:*:*:*:*:*4.3.2 b1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.2:rc1:*:*:*:*:*:*4.3.2 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.2:rc2:*:*:*:*:*:*4.3.2 rc2VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.3:-:*:*:*:*:*:*4.3.3VulnerableISC
cpe:2.3:a:isc:dhcp:4.3.3:b1:*:*:*:*:*:*4.3.3 b1VulnerableISC
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
  • cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:* Versions 4.1-esv r3 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:* Versions 4.1-esv r3_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:* Versions 4.1-esv r4 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:* Versions 4.1-esv r5 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:* Versions 4.1-esv r5_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:* Versions 4.1-esv r5_rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:* Versions 4.1-esv r5_rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:* Versions 4.1-esv r6 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:* Versions 4.1-esv r7 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:* Versions 4.1-esv r8 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:* Versions 4.1-esv r8_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:* Versions 4.1-esv r8_rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:* Versions 4.1-esv r9 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:* Versions 4.1-esv r9_b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:* Versions 4.1-esv r9_rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:* Versions 4.1-esv rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:* Versions 4.1.0 a1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:* Versions 4.1.0 a2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:* Versions 4.1.0 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:* Versions 4.1.1 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:* Versions 4.1.1 b2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:* Versions 4.1.1 b3 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:p1:*:*:*:*:*:* Versions 4.1.1 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:* Versions 4.1.1 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:* Versions 4.1.2 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:* Versions 4.1.2 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:* Versions 4.1.2 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:* Versions 4.2.0 a1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:* Versions 4.2.0 a2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:* Versions 4.2.0 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:* Versions 4.2.0 b2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:* Versions 4.2.0 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:p2:*:*:*:*:*:* Versions 4.2.0 p2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:* Versions 4.2.0 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:* Versions 4.2.1 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.1:p1:*:*:*:*:*:* Versions 4.2.1 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:* Versions 4.2.1 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:* Versions 4.2.2 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:* Versions 4.2.2 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:* Versions 4.2.3 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:* Versions 4.2.3 p2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:-:*:*:*:*:*:* Versions 4.2.4 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:b1:*:*:*:*:*:* Versions 4.2.4 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:* Versions 4.2.4 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:p2:*:*:*:*:*:* Versions 4.2.4 p2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:rc1:*:*:*:*:*:* Versions 4.2.4 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.4:rc2:*:*:*:*:*:* Versions 4.2.4 rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.5:-:*:*:*:*:*:* Versions 4.2.5 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.5:b1:*:*:*:*:*:* Versions 4.2.5 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.5:p1:*:*:*:*:*:* Versions 4.2.5 p1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.5:rc1:*:*:*:*:*:* Versions 4.2.5 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.6:-:*:*:*:*:*:* Versions 4.2.6 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.6:b1:*:*:*:*:*:* Versions 4.2.6 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.6:rc1:*:*:*:*:*:* Versions 4.2.6 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.7:-:*:*:*:*:*:* Versions 4.2.7 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.7:b1:*:*:*:*:*:* Versions 4.2.7 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.7:rc1:*:*:*:*:*:* Versions 4.2.7 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.8:-:*:*:*:*:*:* Versions 4.2.8 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.8:b1:*:*:*:*:*:* Versions 4.2.8 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.8:rc1:*:*:*:*:*:* Versions 4.2.8 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.2.8:rc2:*:*:*:*:*:* Versions 4.2.8 rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.0:-:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.0:a1:*:*:*:*:*:* Versions 4.3.0 a1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.0:b1:*:*:*:*:*:* Versions 4.3.0 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.0:rc1:*:*:*:*:*:* Versions 4.3.0 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.1:-:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.1:b1:*:*:*:*:*:* Versions 4.3.1 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.1:rc1:*:*:*:*:*:* Versions 4.3.1 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.2:-:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.2:b1:*:*:*:*:*:* Versions 4.3.2 b1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.2:rc1:*:*:*:*:*:* Versions 4.3.2 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.2:rc2:*:*:*:*:*:* Versions 4.3.2 rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.3:-:*:*:*:*:*:* Versions 4.3.3 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:4.3.3:b1:*:*:*:*:*:* Versions 4.3.3 b1 Vulnerable ·ISC
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical

Remediation

Red Hat 1 advisory

  • RHSA-2016:2590 Released 2016-11-03 · Red Hat rating Moderate
    dhcp security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) dhclient-12:4.2.5-47.el7, dhcp-12:4.2.5-47.el7, dhcp-common-12:4.2.5-47.el7 +1
    • Red Hat Enterprise Linux Client Optional (v. 7) dhcp-12:4.2.5-47.el7, dhcp-devel-12:4.2.5-47.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) dhclient-12:4.2.5-47.el7, dhcp-12:4.2.5-47.el7, dhcp-common-12:4.2.5-47.el7 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) dhcp-12:4.2.5-47.el7, dhcp-devel-12:4.2.5-47.el7
    • Red Hat Enterprise Linux Server (v. 7) dhclient-12:4.2.5-47.el7, dhcp-12:4.2.5-47.el7, dhcp-common-12:4.2.5-47.el7 +2
    • Red Hat Enterprise Linux Server Optional (v. 7) dhcp-devel-12:4.2.5-47.el7, dhcp-devel-12:4.2.5-47.el7.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) dhclient-12:4.2.5-47.el7, dhcp-12:4.2.5-47.el7, dhcp-common-12:4.2.5-47.el7 +1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) dhcp-devel-12:4.2.5-47.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2590
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:2590

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-2774
  2. 2026-10-03 Alias added: GHSA-rg7r-5jqm-6r7j

References

Advisory 8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences