HOMEVULNERABILITIESCVE-2007-5019
CRITICALPOC

CVE-2007-5019

CWE-119Published: September 20, 2007· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Buffer overflow in the Sun Java Web Start ActiveX control in Java Runtime Environment (JRE) 1.6.0_X allows remote attackers to have an unknown impact via a long argument to the dnsResolve (isInstalled.dnsResolve) method.

NVD Source

Technical Analysis

CVE-2007-5019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2007-5019. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

sun3 product(s)
java web startjresdk
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

All References (8)

Quick Facts

CVE IDCVE-2007-5019
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-119
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedSep 20, 2007

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2007-5019 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.