CVE-2007-0063

CRITICAL

Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE ...

Affects 6 products across 2 vendors.

BCS7.84
CVSS 2.010.0
EPSS20.4%
Percentile97th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-191: CWE-191
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2007. A critical vulnerability affects Canonical systems (CVE-2007-0063). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2007-GLOBAL-016612-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2007-0063?
This vulnerability was disclosed in 2007. A critical vulnerability affects Canonical systems (CVE-2007-0063). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2007-0063?
CVE-2007-0063 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 20.4%.
Is CVE-2007-0063 actively exploited?
No confirmed active exploitation of CVE-2007-0063 as of 2026-05-30.
How do I remediate CVE-2007-0063?
Priority: MEDIUM. Advisory: http://www.iss.net/threats/275.html PSIRT: [email protected]
What systems are affected by CVE-2007-0063?
CVE-2007-0063 affects: Canonical, Vmware, Vmware, Vmware, Vmware, Vmware.
Vulnerability Details
CVE IDCVE-2007-0063
BSIDBS-2007-GLOBAL-016612-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2007-09-21
Last Modified2026-04-23
ICS Relevance0%
Weakness (CWE)
CWE-191
Domains
CLOUD
SourceNVD
Official Description

Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed DHCP packet that triggers a stack-based buffer overflow.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed DHCP packet that triggers a stack-based buffer overflow. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Canonical Ubuntu Linux —
Vmware Workstation —
Vmware Esx —
Vmware Ace —
Vmware Player —
Vmware Server —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 6891 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashf861a1af2e39d38bc211b5d8da37e86a2e30c5e71f1adf222f8edf384b30aaf8147d7b1d205eff59aecf1285169a1503e167e6f33b3e8dd94783753ce7a45ad7
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