Bug 1626483 (CVE-2018-16647)

Summary: CVE-2018-16647 mupdf: Segmentation fault in the pdf_get_xref_entry function resulting in a crash
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: mjg
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2019-06-10 10:37:39 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1626484    
Bug Blocks:    

Description Andrej Nemec 2018-09-07 12:55:09 UTC
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.

Upstream issue:

https://bugs.ghostscript.com/show_bug.cgi?id=699686

Comment 1 Andrej Nemec 2018-09-07 12:56:12 UTC
Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1626484]

Comment 2 Dhananjay Arunesh 2019-03-12 05:43:29 UTC
Upstream commit:
http://git.ghostscript.com/?p=mupdf.git;h=351c99d8ce23bbf7099dbd52771a095f67e45a2c

Comment 3 Product Security DevOps Team 2019-06-10 10:37:39 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.