Is CVE-2011-2948 actively exploited?

No active exploitation of CVE-2011-2948 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-2948 be exploited remotely?

Yes. CVE-2011-2948 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-2948?

CVE-2011-2948 has a CVSS score of 9.3 (CRITICAL).

HOME VULNERABILITIESCVE-2011-2948

CRITICAL

CVE-2011-2948

CWE-119Published: August 18, 2011· Updated: Jun 16, 2026

9.3

CVSS v3.1

Official Description

RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.0 through 2.1.5, and Mac RealPlayer 12.0.0.1569 do not properly handle DEFINEFONT fields in SWF files, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted file.

NVD Source

Technical Analysis

CVE-2011-2948 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.

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