Bug 1542264 (CVE-2018-6544) - CVE-2018-6544 mupdf: denial of service (DoS) via a crafted PDF document
Summary: CVE-2018-6544 mupdf: denial of service (DoS) via a crafted PDF document
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-6544
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: impact=low,public=20180129,reported=2...
Depends On: 1542265
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-02-06 00:00 UTC by Laura Pardo
Modified: 2019-06-08 22:40 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-06-08 03:39:22 UTC


Attachments (Terms of Use)

Description Laura Pardo 2018-02-06 00:00:51 UTC
A flaw was found in pdf_load_obj_stm in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 could reference the object stream recursively and therefore run out of error stack, which allows remote attackers to cause a denial of service via a crafted PDF document. 

References: 
https://bugs.ghostscript.com/show_bug.cgi?id=698965 
https://bugs.ghostscript.com/show_bug.cgi?id=698830 

Patch:
http://git.ghostscript.com/?p=mupdf.git;h=b03def134988da8c800adac1a38a41a1f09a1d89 
http://git.ghostscript.com/?p=mupdf.git;h=26527eef77b3e51c2258c8e40845bfbc015e405d

Comment 1 Laura Pardo 2018-02-06 00:01:27 UTC
Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1542265]

Comment 2 Product Security DevOps Team 2019-06-08 03:39:22 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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