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Bug 1450068 - (CVE-2017-7961) CVE-2017-7961 libcroco: Undefined behavior issue in cr_tknzr_parse_rgb function
CVE-2017-7961 libcroco: Undefined behavior issue in cr_tknzr_parse_rgb function
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170416,reported=2...
: Security
Depends On: 1450069 1450070
Blocks:
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Reported: 2017-05-11 09:34 EDT by Adam Mariš
Modified: 2017-05-11 09:35 EDT (History)
5 users (show)

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Description Adam Mariš 2017-05-11 09:34:58 EDT 
The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file.

Upstream patch:

https://git.gnome.org/browse/libcroco/commit/?id=9ad72875e9f08e4c519ef63d44cdbd94aa9504f7

Reference:

https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/
Comment 1 Adam Mariš 2017-05-11 09:35:42 EDT 
Created libcroco tracking bugs for this issue:

Affects: fedora-all [bug 1450070]


Created mingw-libcroco tracking bugs for this issue:

Affects: fedora-all [bug 1450069]
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