CVE-2021-37220

Public Exploit

Description

MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the maximum key size of a hash table. This can, for example, be seen with crafted "mutool draw" input.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory fedoraproject.org Vendor Advisory ghostscript.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.ghostscript.com/show_bug.cgi?id=703791 exploit vendor advisory
http://git.ghostscript.com/?p=mupdf.git%3Bh=f5712c9949d026e4b891b25837edd2edc166151f
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-37220?
CVE-2021-37220 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37220?
To fix CVE-2021-37220, 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-2021-37220 being actively exploited in the wild?
It is possible that CVE-2021-37220 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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