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CVE-2011-3973

UnknownEPSS 2.50%

Last modified

CVE-2011-3973 is a vulnerability of currently unknown severity. cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.

Metrics

EPSS Probability
2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
FfmpegFfmpeg<= 0.7.3—
FfmpegFfmpeg0.3—
FfmpegFfmpeg0.3.1—
FfmpegFfmpeg0.3.2—
FfmpegFfmpeg0.3.3—
FfmpegFfmpeg0.3.4—
FfmpegFfmpeg0.4.0—
FfmpegFfmpeg0.4.2—
FfmpegFfmpeg0.4.3—
FfmpegFfmpeg0.4.4—
FfmpegFfmpeg0.4.5—
FfmpegFfmpeg0.4.6—
FfmpegFfmpeg0.4.7—
FfmpegFfmpeg0.4.8—
FfmpegFfmpeg0.4.9Pre1
FfmpegFfmpeg0.5—
FfmpegFfmpeg0.5.1—
FfmpegFfmpeg0.5.2—
FfmpegFfmpeg0.5.3—
FfmpegFfmpeg0.5.4—
FfmpegFfmpeg0.6—
FfmpegFfmpeg0.6.1—
FfmpegFfmpeg0.6.2—
FfmpegFfmpeg0.7.1—
FfmpegFfmpeg0.7.2—
FfmpegFfmpeg0.8.0—
FfmpegFfmpeg0.8.1—
FfmpegFfmpeg0.8.2—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3973?
cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.
How severe is CVE-2011-3973?
Severity scoring for CVE-2011-3973 is pending analysis. The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3973?
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.

Are you affected by CVE-2011-3973?

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Source: NVD / NIST