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Vulnerability record · CVE-2011-1426 · published 18 April 2011

CVE-2011-1426: Realnetworks realplayer vulnerability

RRealnetworks · Realplayer

The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.

9.3 CVSS 2.0 High EPSS 5.0% · top 8.0%
9.3CVSS 2.0 base score
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securitytracker.com/id?1025351
http://service.real.com/realplayer/security/04122011_player/en/ Vendor Advisory
http://www.securityfocus.com/archive/1/517470/100/0/threaded
http://www.securityfocus.com/bid/47335
http://www.vupen.com/english/advisories/2011/0979 Vendor Advisory
http://zerodayinitiative.com/advisories/ZDI-11-122/
https://exchange.xforce.ibmcloud.com/vulnerabilities/66728
http://securitytracker.com/id?1025351
http://service.real.com/realplayer/security/04122011_player/en/ Vendor Advisory
http://www.securityfocus.com/archive/1/517470/100/0/threaded
http://www.securityfocus.com/bid/47335
http://www.vupen.com/english/advisories/2011/0979 Vendor Advisory
http://zerodayinitiative.com/advisories/ZDI-11-122/
https://exchange.xforce.ibmcloud.com/vulnerabilities/66728

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-4256Realnetworks realplayer code injection vulnerabilityThe RV30 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 does not initialize an unspecified index value, which a…EPSS 4.3%10.0CVE-2011-4246Realnetworks realplayer memory buffer overflow vulnerabilityThe AAC codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to execute arbitrary code or cau…EPSS 4.0%10.0CVE-2011-4249Realnetworks realplayer improper input validation vulnerabilityArray index error in the RV30 codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via unspecified vector…EPSS 3.3%10.0CVE-2011-4250Realnetworks realplayer vulnerabilityUnspecified vulnerability in the ATRC codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to…EPSS 4.1%10.0CVE-2011-4253Realnetworks realplayer vulnerabilityUnspecified vulnerability in the RV20 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to…EPSS 4.1%10.0CVE-2011-4254Realnetworks realplayer code injection vulnerabilityRealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted RTSP SETUP request.EPSS 3.4%10.0CVE-2011-4255Realnetworks realplayer vulnerabilityUnspecified vulnerability in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote attackers to execute arbitrary…EPSS 4.1%10.0CVE-2011-4244Realnetworks realplayer memory buffer overflow vulnerabilityHeap-based buffer overflow in the RealVideo renderer in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via u…EPSS 3.4%

Source: NIST National Vulnerability Database (record CVE-2011-1426), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.