CVE-2016-9018

Realplayer vulnerability

CVSS

5.5

EPSS

8.1%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Realnetworks

Affected product

Realplayer

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-476 — NULL Pointer Dereference

Published

2016-10-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 8.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2016-9018

Confirm whether Realnetworks Realplayer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-9018.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9018

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9018 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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