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CVE-2018-13305

UnknownEPSS 1.41%

Last modified

CVE-2018-13305 is a vulnerability of currently unknown severity. In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.

Metrics

EPSS Probability
1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FfmpegFfmpeg4.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-13305?
In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.
How severe is CVE-2018-13305?
Severity scoring for CVE-2018-13305 is pending analysis. The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.
How do I fix CVE-2018-13305?
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-2018-13305?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST