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Bug 1444911 - (CVE-2017-7864) CVE-2017-7864 freetype: heap-based buffer overflow related to the tt_size_reset function
CVE-2017-7864 freetype: heap-based buffer overflow related to the tt_size_res...
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=20170202,repor...
: Security
Depends On: 1444915 1444916 1444917
Blocks: 1444919
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Reported: 2017-04-24 10:24 EDT by Adam Mariš
Modified: 2017-06-29 00:53 EDT (History)
22 users (show)

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Last Closed: 2017-06-29 00:53:12 EDT
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Description Adam Mariš 2017-04-24 10:24:23 EDT 
FreeType 2 before 2017-02-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tt_size_reset function in truetype/ttobjs.c.

Bug report:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=509

Upstream patch:

https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=e6699596af5c5d6f0ae0ea06e19df87dce088df8
Comment 1 Adam Mariš 2017-04-24 10:29:36 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 12:29:45 EDT 
This is the same case as #1444898 and #1444904. I can reliably reproduce the issue with the "regressed" commit from the original report but not with any freetype we distribute in Fedora.
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