CVE-2010-4378: realnetworks realplayer
Vulnerability summary
CVE-2010-4378 is a high (CVSS 9.3) vulnerability in realnetworks realplayer. EPSS estimates a 5.68% chance of exploitation in the next 30 days, higher than 93% of scored vulnerabilities.
Not severe (CVSS 9.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 14-12-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
5.68%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Decrease -0.11 pp
From 5.79% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Realnetworks2 products
- realplayer11.0 | 11.0.1 | 11.0.2 | 11.0.3 | 11.0.4 | 11.0.5 | 11.1 | 11.0.2.1744 | 2.1.2 | 2.1.3
- realplayer_sp1.0.0 | 1.0.1 | 1.0.2 | 1.0.5 | 1.1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5
1 vendor · 2 products
References
4 links- www.zerodayinitiative.com/advisories/ZDI-10-274X Refsource MISC