HOMEVULNERABILITIESCVE-2016-9018
MEDIUMPOC

CVE-2016-9018

CWE-476Published: October 28, 2016· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

Improper handling of a repeating VRAT chunk in qcpfformat.dll allows attackers to cause a Null pointer dereference and crash in RealNetworks RealPlayer 18.1.5.705 through a crafted .QCP media file.

NVD Source

Technical Analysis

CVE-2016-9018 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

A proof-of-concept (PoC) exploit exists for CVE-2016-9018. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

realnetworks1 product(s)
realplayer
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/94239
ADVISORYhttps://www.exploit-db.com/exploits/40617/
ADVISORYhttp://www.securityfocus.com/bid/94239
ADVISORYhttps://www.exploit-db.com/exploits/40617/

All References (4)

→
http://www.securityfocus.com/bid/94239Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/40617/Exploit · Third Party Advisory
→
http://www.securityfocus.com/bid/94239Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/40617/Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2016-9018
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedOct 28, 2016

Related CVEs (CWE-476)

CVE-2010-2495
10.0
CVE-2022-36648
10.0
CVE-2017-14624
9.8
CVE-2021-28300
9.8
CVE-2017-5668
9.8
CVE-2015-8787
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-9018 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.
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