<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201708-10"> <title>jbig2dec: User-assisted execution of arbitrary code</title> <synopsis>Multiple integer overflow flaws have been discovered in jbig2dec, possibly resulting in execution of arbitrary code or Denial of Service. </synopsis> <product type="ebuild">jbig2dec</product> <announced>2017-08-26</announced> <revised count="1">2017-08-26</revised> <bug>616464</bug> <access>remote</access> <affected> <package name="media-libs/jbig2dec" auto="yes" arch="*"> <unaffected range="ge">0.13-r4</unaffected> <vulnerable range="lt">0.13-r4</vulnerable> </package> </affected> <background> <p>jbig2dec is a decoder implementation of the JBIG2 image compression format. </p> </background> <description> <p>Integer overflow errors have been discovered in the jbig2_decode_symbol_dict, jbig2_build_huffman_table, and jbig2_image_compose functions of jbig2dec. </p> </description> <impact type="normal"> <p>A remote attacker, by enticing a user to open a specially crafted JBIG2 file using an application linked against jbig2dec, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All jbig2dec users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/jbig2dec-0.13-r4" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7885">CVE-2017-7885</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7975">CVE-2017-7975</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7976">CVE-2017-7976</uri> </references> <metadata tag="requester" timestamp="2017-08-02T02:58:46Z">BlueKnight</metadata> <metadata tag="submitter" timestamp="2017-08-26T14:52:50Z">ackle</metadata> </glsa>