Bug 1626481 (CVE-2018-16648) - CVE-2018-16648 mupdf: Array index underflow in pdf_dev_alpha resulting in a crash
Summary: CVE-2018-16648 mupdf: Array index underflow in pdf_dev_alpha resulting in a c...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-16648
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1626484
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-09-07 12:53 UTC by Andrej Nemec
Modified: 2019-09-29 14:58 UTC (History)
1 user (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:37:37 UTC
Embargoed:

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Description Andrej Nemec 2018-09-07 12:53:46 UTC 
In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdf_dev_alpha array-index underflow.

Upstream issue:

https://bugs.ghostscript.com/show_bug.cgi?id=699685
Comment 1 Andrej Nemec 2018-09-07 12:56:17 UTC 
Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1626484]
Comment 2 Dhananjay Arunesh 2019-03-12 05:43:59 UTC 
Upstream commit:
http://git.ghostscript.com/?p=mupdf.git;h=38f883fe129a5e89306252a4676eaaf4bc968824
Comment 3 Product Security DevOps Team 2019-06-10 10:37:37 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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