CVE-2012-0923: realnetworks realplayer Improper Control of Generation of Code
Vulnerability summary
CVE-2012-0923 is a high (CVSS 9.3) Improper Control of Generation of Code vulnerability in realnetworks realplayer. EPSS estimates a 4.48% chance of exploitation in the next 30 days, higher than 91.4% 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?Timeline
- 08-02-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The RV20 codec in RealNetworks RealPlayer 11.x, 14.x, and 15.x before 15.02.71, and RealPlayer SP 1.0 through 1.1.5, does not properly handle the frame size array, which allows remote attackers to execute arbitrary code via a crafted RV20 RealVideo video stream.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.48%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.48% 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
- realplayer14.0.0 | 14.0.1 | 14.0.1.609 | 14.0.1.633 | 14.0.2 | 14.0.3 | 14.0.4 | 14.0.5 | 14.0.6 | 14.0.7 | 11.0 | 11.0.1 | 11.0.2 | 11.0.2.1744 | 11.0.2.2315 | 11.0.3 | 11.0.4 | 11.0.5 | 11.1 | 11.1.3 | 11_build_6.0.14.748 | 15.0.0 | 15.0.1.13
- 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