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Bug 1444904 - (CVE-2017-7858) CVE-2017-7858 freetype: out-of-bounds write related to the TT_Get_MM_Var and sfnt_init_face functions
CVE-2017-7858 freetype: out-of-bounds write related to the TT_Get_MM_Var and ...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170307,repor...
: Security
Depends On: 1444915 1444916 1444917
Blocks: 1444919
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Reported: 2017-04-24 10:12 EDT by Adam Mariš
Modified: 2017-06-29 00:48 EDT (History)
22 users (show)

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Last Closed: 2017-06-29 00:48:58 EDT
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Description Adam Mariš 2017-04-24 10:12:43 EDT 
FreeType 2 before 2017-03-07 has an out-of-bounds write related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c.

Bug report:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=738

Upstream patch:

https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=779309744222a736eba0f1731e8162fce6288d4e
Comment 1 Adam Mariš 2017-04-24 10:29:13 EDT 
Created freetype tracking bugs for this issue:

Affects: fedora-all [bug 1444917]


Created mingw-freetype tracking bugs for this issue:

Affects: epel-7 [bug 1444915]
Affects: fedora-all [bug 1444916]
Comment 2 Marek Kašík 2017-04-28 12:05:45 EDT 
This is the same case as in https://bugzilla.redhat.com/show_bug.cgi?id=1444898#c2, I can not reproduce the issue with any freetype version which we currently support in Fedora.
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