Bug 1202858 – VUL-0: CVE-2021-4216: mupdf: division by zero for zero width pages in muraster

Bug 1202858 - (CVE-2021-4216) VUL-0: CVE-2021-4216: mupdf: division by zero for zero width pages in muraster

(CVE-2021-4216)
Summary:	VUL-0: CVE-2021-4216: mupdf: division by zero for zero width pages in muraster

Status:	IN_PROGRESS

Classification:	openSUSE
Product:	openSUSE Distribution
Classification:	openSUSE
Component:	Security
Version:	Leap 15.4
Hardware:	Other Other

Priority:	P3 - Medium Severity: Normal (vote)
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/340936/
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Reported:	2022-08-29 07:31 UTC by Thomas Leroy
Modified:	2022-09-17 22:19 UTC (History)
CC List:	0 users

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Found By:	Security Response Team
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Description Thomas Leroy 2022-08-29 07:31:18 UTC

CVE-2021-4216

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.

Upstream fix:
https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-4216
https://www.cve.org/CVERecord?id=CVE-2021-4216
https://bugs.ghostscript.com/show_bug.cgi?id=704834

Comment 1 Thomas Leroy 2022-08-29 07:34:05 UTC

openSUSE:Factory already fixed.
Affected:
- openSUSE:Backports:SLE-15-SP3:Update
- openSUSE:Backports:SLE-15-SP4

Comment 2 OBSbugzilla Bot 2022-09-12 11:55:03 UTC

This is an autogenerated message for OBS integration:
This bug (1202858) was mentioned in
https://build.opensuse.org/request/show/1002877 Backports:SLE-15-SP5 / mupdf
https://build.opensuse.org/request/show/1002879 Backports:SLE-15-SP4 / mupdf
https://build.opensuse.org/request/show/1002896 Backports:SLE-15-SP3 / mupdf

Comment 3 Swamp Workflow Management 2022-09-17 19:18:50 UTC

openSUSE-SU-2022:10125-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1202858
CVE References: CVE-2021-4216
JIRA References: 
Sources used:
openSUSE Backports SLE-15-SP3 (src):    mupdf-1.12.0-bp153.2.6.1

Comment 4 Swamp Workflow Management 2022-09-17 22:19:57 UTC

openSUSE-SU-2022:10126-1: An update that fixes two vulnerabilities is now available.

Category: security (moderate)
Bug References: 1202858
CVE References: CVE-2018-25032,CVE-2021-4216
JIRA References: 
Sources used:
openSUSE Backports SLE-15-SP4 (src):    mupdf-1.20.3-bp154.2.3.1