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CVE-2010-4376

9.3 · HIGH

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…

Published Dec 14, 2010realnetworksCWE-119EPSS 6.29%

Overview

CVE-2010-4376 is a high-severity vulnerability affecting realnetworks realplayer. It was published on December 14, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from realnetworks. Update realplayer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refservice.real.com/realplayer/security/12102010_player/en/Refwww.securityfocus.com/bid/45411Refwww.securitytracker.com/id?1024861Refwww.zerodayinitiative.com/advisories/ZDI-10-271Refservice.real.com/realplayer/security/12102010_player/en/Refwww.securityfocus.com/bid/45411Refwww.securitytracker.com/id?1024861Refwww.zerodayinitiative.com/advisories/ZDI-10-271

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4376?

CVE-2010-4376 is a high-severity vulnerability affecting realnetworks realplayer. It was published on December 14, 2010 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2010-4376?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-4376?

Check the references section for vendor advisories and patches from realnetworks. Update realplayer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4376?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4376 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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