Which products and versions are affected by CVE-2011-2950?

Affected: Realplayer (Realnetworks) versions 11.0, 11.1, 14.0.0, 14.0.1, 14.0.2, 14.0.3, 14.0.4, 14.0.5; Realplayer Sp (Realnetworks) versions 1.0.0, 1.0.1, 1.0.2, 1.0.5, 1.1, 1.1.1, 1.1.2, 1.1.3. The full list is in the CVE brief.

Is CVE-2011-2950 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2011-2950 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2011-2950?

Public exploit code is available.

Is there a fix for CVE-2011-2950?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2011-2950 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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Emerging threatsCritical

CVE-2011-2950Realplayer Memory Corruption

Heap-based buffer overflow in qcpfformat.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5 and RealPlayer SP 1.0 through 1.1.5 allows remote attackers to execute arbitrary code via a crafted QCP file.

Published Aug 18, 2011 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2011-2950 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Realplayer (Realnetworks), Realplayer Sp (Realnetworks).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 29% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

29%

Higher than 98.1% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

54/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttp://service.real.com/realplayer/security/08162011_player/en/

Description

Affected Products

18 affected entries in total

Product	Affected versions	Fixed in
RealplayerRealnetworks	11.0, 11.1, 14.0.0, 14.0.1, 14.0.2, 14.0.3, 14.0.4, 14.0.5	n/a
Realplayer SpRealnetworks	1.0.0, 1.0.1, 1.0.2, 1.0.5, 1.1, 1.1.1, 1.1.2, 1.1.3	n/a

Timeline

Publicly disclosed
Aug 18, 2011
Last updated
Apr 28, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

2 more references in the full CVE brief

FAQ

Common Questions.

Heap-based buffer overflow in qcpfformat.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5 and RealPlayer SP 1.0 through 1.1.5 allows remote attackers to execute arbitrary code via a crafted QCP file.
Affected: Realplayer (Realnetworks) versions 11.0, 11.1, 14.0.0, 14.0.1, 14.0.2, 14.0.3, 14.0.4, 14.0.5; Realplayer Sp (Realnetworks) versions 1.0.0, 1.0.1, 1.0.2, 1.0.5, 1.1, 1.1.1, 1.1.2, 1.1.3. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2011-2950 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.