CVE-2011-0723

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.

Published: 2011-05-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2011-0723

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0723

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-0723

OS Trackers for CVE-2011-0723

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

Affected software / configurations for 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:*:*:*:*:*:*:*:*

References for CVE-2011-0723

cvelogic Threat Intelligence