Bug 2124242 (CVE-2021-4216) - CVE-2021-4216 mupdf: division-by-zero for zero width pages in muraster.c
Summary: CVE-2021-4216 mupdf: division-by-zero for zero width pages in muraster.c
Keywords:
Status: NEW
Alias: CVE-2021-4216
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
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Depends On:
Blocks: 2124194
TreeView+ depends on / blocked
 
Reported: 2022-09-05 11:33 UTC by TEJ RATHI
Modified: 2023-07-07 08:33 UTC (History)
2 users (show)

Fixed In Version: Mupdf 1.20.0-rc1
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Doc Text:
A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. The highest threat from this vulnerability is to system availability.
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Environment:
Last Closed:
Embargoed:

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Description TEJ RATHI 2022-09-05 11:33:34 UTC 
A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.

https://bugs.ghostscript.com/show_bug.cgi?id=704834
https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf
Comment 2 Michael J Gruber 2022-09-05 14:50:19 UTC 
All currently supported Fedora versions carry mupdf 1.20.0 or higher, which contains the bugfix. Closing. Or not, because I am not allowed too ...
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