CVE-2010-4378

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-12-14 · updated 2026-06-16
Weakness: CWE-119

Description

The drv2.dll (aka RV20 decompression) module in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.1.2 and 2.1.3, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted value of an unspecified length field in an RV20 video stream.

Affected products

RealNetworks Realplayer: 11.0, 11.0.1, 11.0.2, 11.0.3, 11.0.4, 11.0.5 (+4)
RealNetworks Realplayer Sp: 1.0.0, 1.0.1, 1.0.2, 1.0.5, 1.1, 1.1.1 (+4)

References

http://service.real.com/realplayer/security/12102010_player/en/
http://www.redhat.com/support/errata/RHSA-2010-0981.html
http://www.securitytracker.com/id?1024861
http://www.zerodayinitiative.com/advisories/ZDI-10-274
http://service.real.com/realplayer/security/12102010_player/en/
http://www.redhat.com/support/errata/RHSA-2010-0981.html
http://www.securitytracker.com/id?1024861
http://www.zerodayinitiative.com/advisories/ZDI-10-274

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