Bug 1771266 (CVE-2019-18804)

Summary: CVE-2019-18804 djvulibre: null pointer dereference in function DJVU::filter_fv in IW44EncodeCodec.cpp
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: manisandro, mkasik
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Clone Of: Environment:
Last Closed: 2019-11-12 06:51:14 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1771267, 1771268    
Bug Blocks:    

Description Dhananjay Arunesh 2019-11-12 05:11:41 UTC
A vulnerability was found in DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filter_fv at IW44EncodeCodec.cpp.

Reference:
https://github.com/TeamSeri0us/pocs/blob/master/djvulibre/DJVU__filter_fv%40IW44EncodeCodec.cpp_499-43___SEGV_UNKNOW.md
https://lists.debian.org/debian-lts-announce/2019/11/msg00004.html
https://sourceforge.net/p/djvu/bugs/309/

Comment 1 Dhananjay Arunesh 2019-11-12 05:12:52 UTC
Created djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1771267]


Created mingw-djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1771268]

Comment 2 Product Security DevOps Team 2019-11-12 06:51:14 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.