Bug 1444911 (CVE-2017-7864) - CVE-2017-7864 freetype: heap-based buffer overflow related to the tt_size_reset function
Summary: CVE-2017-7864 freetype: heap-based buffer overflow related to the tt_size_res...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-7864
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1444915 1444916 1444917
Blocks: 1444919
TreeView+ depends on / blocked
 
Reported: 2017-04-24 14:24 UTC by Adam Mariš
Modified: 2019-09-29 14:11 UTC (History)
21 users (show)

Fixed In Version:
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Last Closed: 2017-06-29 04:53:12 UTC
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Description Adam Mariš 2017-04-24 14:24:23 UTC 
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 14:29:36 UTC 
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 16:29:45 UTC 
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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