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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="202008-05">
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<title>gThumb: Arbitrary code execution</title>
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<synopsis>A buffer overflow in gThumb might allow remote attacker(s) to
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execute arbitrary code.
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</synopsis>
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<product type="ebuild">gthumb</product>
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<announced>2020-08-08</announced>
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<revised count="1">2020-08-08</revised>
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<bug>712932</bug>
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<access>remote</access>
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<affected>
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<package name="media-gfx/gthumb" auto="yes" arch="*">
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<unaffected range="ge">3.10.0</unaffected>
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<vulnerable range="lt">3.10.0</vulnerable>
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</package>
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</affected>
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<background>
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<p>gThumb is an image viewer and browser for GNOME.</p>
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</background>
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<description>
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<p>A heap-based buffer overflow in gThumb’s
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_cairo_image_surface_create_from_jpeg() function, located in
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extensions/cairo_io/cairo-image-surface-jpeg.c was discovered.
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</p>
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</description>
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<impact type="normal">
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<p>A remote attacker could entice a user to open a specially crafted image
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file using gThumb, possibly resulting in execution of arbitrary code with
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the privileges of the process or a Denial of Service condition.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All gThumb users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=media-gfx/gthumb-3.10.0"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-20326">CVE-2019-20326</uri>
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</references>
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<metadata tag="requester" timestamp="2020-08-08T01:58:55Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-08-08T04:18:29Z">sam_c</metadata>
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</glsa>
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