CVE-2018-13305

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4 patch
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-13305?
CVE-2018-13305 has been scored as a high severity vulnerability.
How to fix CVE-2018-13305?
To fix CVE-2018-13305, 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-2018-13305 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13305 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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