How severe is CVE-2016-9018?

CVE-2016-9018 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9018?

CVE-2016-9018 affects Realnetworks Realplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9018 published?

CVE-2016-9018 was published on 2016-10-28 and last updated on 2026-06-17.

CVE-2016-9018

CVE-2016-9018 is a medium-severity vulnerability in Realnetworks Realplayer with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Realnetworks Realplayer
Published: 2016-10-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-9018?: 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.
How severe is CVE-2016-9018?: CVE-2016-9018 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-9018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9018?: CVE-2016-9018 affects Realnetworks Realplayer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9018 published?: CVE-2016-9018 was published on 2016-10-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:realnetworks:realplayer:18.1.5.705:*:*:*:*:*:*:*

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