CVE-2021-37220
First published: Wed Jul 21 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Artifex Mupdf | <=1.18.1 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- http://git.ghostscript.com/?p=mupdf.git;h=f5712c9949d026e4b891b25837edd2edc166151f
- https://bugs.ghostscript.com/show_bug.cgi?id=703791
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/
- http://git.ghostscript.com/?p=mupdf.git%3Bh=f5712c9949d026e4b891b25837edd2edc166151f
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKRMREIYUBGG2GV73CU7BJNW2Q34IP23/
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-37220.
What is the severity of CVE-2021-37220?
The severity of CVE-2021-37220 is medium with a severity value of 5.5.
What is the affected software for CVE-2021-37220?
The affected software for CVE-2021-37220 is MuPDF 1.18.1 and Fedora 34.
What is the description of CVE-2021-37220?
CVE-2021-37220 is a vulnerability in MuPDF through 1.18.1 that allows for an out-of-bounds write due to improper consideration of the maximum key size of a hash table.
How can I fix CVE-2021-37220?
To fix CVE-2021-37220, it is recommended to update MuPDF to a version beyond 1.18.1 and apply any necessary patches.
- collector/nvd-index
- agent/severity
- agent/references
- agent/weakness
- agent/author
- agent/type
- agent/tags
- agent/event
- agent/description
- agent/remedy
- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/artifex
- canonical/artifex mupdf
- version/artifex mupdf/1.18.1
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34