Bug 1475389 (CVE-2017-11571)

Summary:	CVE-2017-11571 fontforge: Stack-buffer overflow in addnibble function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	eng-i18n-bugs, fonts-bugs, kevin, paul, pnemade
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Last Closed:	2017-07-26 14:44:00 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1475398
Bug Blocks:

Description Andrej Nemec 2017-07-26 14:37:40 UTC

FontForge 20161012 is vulnerable to a stack-based buffer overflow in addnibble (parsettf.c) resulting in DoS via a crafted otf file.

Upstream issue:

https://github.com/fontforge/fontforge/issues/3087

Comment 1 Andrej Nemec 2017-07-26 14:45:58 UTC

Created fontforge tracking bugs for this issue:

Affects: fedora-all [bug 1475398]

Comment 2 Parag Nemade 2017-07-31 08:25:18 UTC

Fixed in rawhide build fontforge-20170731-1.fc27