<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202006-16"> <title>PCRE2: Denial of service</title> <synopsis>A vulnerability in PCRE2 could lead to a Denial of Service condition. </synopsis> <product type="ebuild">pcre2</product> <announced>2020-06-15</announced> <revised count="1">2020-06-15</revised> <bug>717800</bug> <access>local, remote</access> <affected> <package name="net-libs/pcre2" auto="yes" arch="*"> <unaffected range="ge">10.34</unaffected> <vulnerable range="lt">10.34</vulnerable> </package> </affected> <background> <p>PCRE2 is a project based on PCRE (Perl Compatible Regular Expressions) which has a new and revised API. </p> </background> <description> <p>PCRE2 has a flaw when handling JIT-compiled regex using the \X pattern.</p> </description> <impact type="normal"> <p>An attacker could cause a possible Denial of Service condition.</p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All PCRE2 users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-20454">CVE-2019-20454</uri> </references> <metadata tag="requester" timestamp="2020-05-12T14:41:37Z">sam_c</metadata> <metadata tag="submitter" timestamp="2020-06-15T15:48:59Z">sam_c</metadata> </glsa>