CVE-2020-18778

Public Exploit

Description

In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_p_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Third-Party Advisory libav.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.libav.org/show_bug.cgi?id=1155 issue tracking exploit third party advisory broken link
https://cwe.mitre.org/data/definitions/126.html technical description

Frequently Asked Questions

What is the severity of CVE-2020-18778?
CVE-2020-18778 has been scored as a medium severity vulnerability.
How to fix CVE-2020-18778?
To fix CVE-2020-18778, 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-2020-18778 being actively exploited in the wild?
It is possible that CVE-2020-18778 is being exploited or will be exploited in a near future based on public information. 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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