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CVE-2011-3940

UnknownEPSS 2.73%

Last modified

CVE-2011-3940 is a vulnerability of currently unknown severity. nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams.". EPSS estimates a 2.73% chance of exploitation in the next 30 days.

Description

nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams."

Metrics

EPSS Probability
2.73%

84.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FfmpegFfmpeg0.7.1
FfmpegFfmpeg0.7.2
FfmpegFfmpeg0.7.6
FfmpegFfmpeg0.7.7
FfmpegFfmpeg0.7.8
FfmpegFfmpeg0.7.9
FfmpegFfmpeg0.7.11
FfmpegFfmpeg0.8.5
FfmpegFfmpeg0.8.6
FfmpegFfmpeg0.8.7
FfmpegFfmpeg0.8.8
FfmpegFfmpeg0.8.10
LibavLibav0.5
LibavLibav0.5.1
LibavLibav0.5.2
LibavLibav0.5.3
LibavLibav0.5.4
LibavLibav0.5.5
LibavLibav0.5.6
LibavLibav0.5.7
LibavLibav0.6
LibavLibav0.6.1
LibavLibav0.6.2
LibavLibav0.6.3
LibavLibav0.6.4
LibavLibav0.6.5
LibavLibav0.7
LibavLibav0.7.1
LibavLibav0.7.2
LibavLibav0.7.3
LibavLibav0.7.4
LibavLibav0.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3940?
nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams."
How severe is CVE-2011-3940?
Severity scoring for CVE-2011-3940 is pending analysis. The EPSS model estimates a 2.73% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3940?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST