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CVE-2011-3944

22
FAUCET Score

CVE-2011-3944 describes a vulnerability in the smacker_decode_header_tree function within libavcodec/smacker.c of FFmpeg versions prior to 0.10. This flaw allows remote attackers to cause an unspecified impact through specially crafted Smacker data. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, indicating potential for partial confidentiality, integrity, and availability impacts with medium attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.1CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*
0.3.1CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*
0.3.2CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*
0.3.3CPE matchmatch criteria
cpe:2.3:a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 71st percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

git.videolan.org
debian.org / security/2014/dsa-2855
ffmpeg.org / security.html