High 9.3Published Dec 14, 2010

CVE-2010-4375Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, Mac RealPlayer 11.0 through 11.1, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remo…

Updated under an hour ago (Nov 2, 2026, 1:25 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, Mac RealPlayer 11.0 through 11.1, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code via malformed multi-rate data in an audio stream.

CVSS: 9.3 HIGH (v2.0, NVD)AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

realnetworks realplayer realnetworks:realplayer	11.0; 11.0.1; 11.0.2; 11.0.3; 11.0.4; 11.0.5; 11.1; 11.0; and 7 more ranges	NVD

References

References

http://service.real.com/realplayer/security/12102010_player/en/	vendor-advisory
http://www.redhat.com/support/errata/RHSA-2010-0981.html
http://www.securitytracker.com/id?1024861
http://www.zerodayinitiative.com/advisories/ZDI-10-266

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.