FFmpeg 0.5.x, as used in MPlayer and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed VC-1 file.
Conclusion & alert: CVE-2011-0723 is rated Moderate Risk (53.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.01%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-19 | 0.78% | 1.01% | +0.23% |
| 2 | 2025-05-07 | 1.11% | 0.78% | -0.34% |
| 3 | 2025-04-27 | — | 1.11% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-0723 not yet assigned priority: Debian including 1 source packages (ffmpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-0723 |
ubuntu
|
medium | CVE-2011-0723 medium priority: Ubuntu including 2 source packages (ffmpeg, libav), 12 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): DNE 5, released 4, needs-triage 2, ignored 1. | https://ubuntu.com/security/CVE-2011-0723 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ffmpeg | ffmpeg | 0.5.1 | cpe:2.3:a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:* |
| ffmpeg | ffmpeg | 0.5.2 | cpe:2.3:a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:* |
| ffmpeg | ffmpeg | 0.5.3 | cpe:2.3:a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:* |
| ffmpeg | ffmpeg | 0.5.4 | cpe:2.3:a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:* |
| mplayer | mplayer | — | cpe:2.3:a:mplayer:mplayer:*:*:*:*:*:*:*:* |