Bug 1475396 (CVE-2017-11576) - CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function
Summary: CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector ...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-11576
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: 1475398
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-07-26 14:42 UTC by Andrej Nemec
Modified: 2019-09-29 14:17 UTC (History)
5 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2017-07-26 14:44:19 UTC


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Description Andrej Nemec 2017-07-26 14:42:12 UTC
FontForge 20161012 does not ensure a positive size in a weight vector memcpy call in readcfftopdict (parsettf.c) resulting in DoS via a crafted otf file.

Upstream issue:

https://github.com/fontforge/fontforge/issues/3091

Comment 1 Andrej Nemec 2017-07-26 14:45:32 UTC
Created fontforge tracking bugs for this issue:

Affects: fedora-all [bug 1475398]

Comment 2 Parag Nemade 2017-07-31 08:22:52 UTC
Fixed in rawhide build fontforge-20170731-1.fc27


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