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Message-Id: <1544203183.3826.2@mail.igalia.com>
Date: Fri, 07 Dec 2018 11:19:43 -0600
From: Michael Catanzaro <mcatanzaro@...lia.com>
To: oss-security@...ts.openwall.com
Subject: Invalid free in cairo_ft_apply_variations
Hi,
cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c frees
memory using the wrong free function, leading to memory corruption.
Because cairo is used by WebKitGTK+, WPE WebKit, and the WinCairo port
of WebKit, this issue can be triggered by web content. CVE-2018-19876
has been allocated by MITRE. For details, see:
https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5
We recommend Linux distros should patch cairo because the fix has not
yet been integrated into the upstream source code repository:
https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5.patch
(warning: link provided for convenience, it is not a stable link)
Michael
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