CVE-2017-17081

Description

The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory debian.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html issue tracking patch
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1 issue tracking
https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8 patch vendor advisory
https://www.debian.org/security/2018/dsa-4099 vendor advisory
https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903

Frequently Asked Questions

What is the severity of CVE-2017-17081?
CVE-2017-17081 has been scored as a medium severity vulnerability.
How to fix CVE-2017-17081?
To fix CVE-2017-17081, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17081 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-17081 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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