CVE-2010-4394: n/a vulnerability

CVE-2010-4394: Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.5...

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.5 allows remote web servers to execute arbitrary code via a long Server header in a response to an HTTP request that occurs during parsing of a RealPix file.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 03:43 UTC (UTC+00:00)

Security readout for executives and security teams

This vulnerability affects legacy RealNetworks RealPlayer versions. A malicious or compromised web server could trigger memory corruption when RealPlayer processes RealPix-related HTTP content, potentially allowing code execution on the user’s machine. The main business concern is unmanaged legacy media-player installs, not modern server infrastructure. Exposure is most likely on endpoints retaining old RealPlayer versions, especially systems allowed to open RealPix content or interact with untrusted media links. The provided data does not identify server-side products, CPEs, or enterprise platform dependencies. Treat this as a legacy software cleanup priority. It is high impact if present, but likely limited to endpoints with obsolete RealPlayer installations. Confirm exposure before escalating beyond normal endpoint risk reduction. Mitigation focus: Inventory endpoints for affected RealPlayer and RealPlayer SP versions.; Remove RealPlayer where there is no current business need.; Review the RealNetworks advisory for vendor-recommended updates or mitigations..

Prepared: Jun 28, 2026, 01:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 14, 2010, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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