Vulnerability Monitor

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CVE-2010-4376

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.1, Mac RealPlayer 11.0 through 11.1, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code via a large Screen Width value in the Screen Descriptor header of a GIF87a file in an RTSP stream.

Security Impact Summary

CVE-2010-4376 is a security vulnerability that . Impacting 4 products from realnetworks, from realnetworks, from apple and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2010, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2010-12-14T16:00:04.337

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	realnetworks	realplayer	11.0	Yes
Application	realnetworks	realplayer	11.0.1	Yes
Application	realnetworks	realplayer	11.0.2	Yes
Application	realnetworks	realplayer	11.0.3	Yes
Application	realnetworks	realplayer	11.0.4	Yes
Application	realnetworks	realplayer	11.0.5	Yes
Application	realnetworks	realplayer	11.1	Yes
Application	realnetworks	realplayer_sp	1.0.0	Yes
Application	realnetworks	realplayer_sp	1.0.1	Yes
Application	realnetworks	realplayer_sp	1.0.2	Yes
Application	realnetworks	realplayer_sp	1.0.5	Yes
Application	realnetworks	realplayer_sp	1.1	Yes
Application	realnetworks	realplayer_sp	1.1.1	Yes
Application	realnetworks	realplayer	11.0	Yes
Application	realnetworks	realplayer	11.0.1	Yes
Application	realnetworks	realplayer	11.0.2	Yes
Application	realnetworks	realplayer	11.0.3	Yes
Application	realnetworks	realplayer	11.0.4	Yes
Application	realnetworks	realplayer	11.0.5	Yes
Application	realnetworks	realplayer	11.1	Yes
Operating System	apple	mac_os_x	*	No
Application	realnetworks	realplayer	11.0.2.1744	Yes
Operating System	linux	linux_kernel	*	No

References

http://service.real.com/realplayer/security/12102010_player/en/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/45411 ([email protected])
http://www.securitytracker.com/id?1024861 ([email protected])
http://www.zerodayinitiative.com/advisories/ZDI-10-271 ([email protected])
http://service.real.com/realplayer/security/12102010_player/en/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/45411 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1024861 (af854a3a-2127-422b-91ae-364da2661108)
http://www.zerodayinitiative.com/advisories/ZDI-10-271 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For realnetworks's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.