{"id":31725,"date":"2019-06-27T03:36:24","date_gmt":"2019-06-26T18:36:24","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4040-1-expat-vulnerability\/"},"modified":"2019-06-27T05:34:27","modified_gmt":"2019-06-26T20:34:27","slug":"usn-4040-1-expat-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4040-1-expat-vulnerability\/","title":{"rendered":"USN-4040-1: Expat vulnerability"},"content":{"rendered":"<p>USN-4040-1: Expat vulnerability<\/p>\n<h2 id=\"expat-vulnerability\">expat vulnerability<\/h2>\n<p>A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n<ul>\n<li>Ubuntu 19.04<\/li>\n<li>Ubuntu 18.10<\/li>\n<li>Ubuntu 18.04 LTS<\/li>\n<li>Ubuntu 16.04 LTS<\/li>\n<\/ul>\n<h3 id=\"summary\">Summary<\/h3>\n<p>Expat could be made to consume a high amount of RAM and CPU resources<br \/>\nif it received a specially crafted XML file.<\/p>\n<h3 id=\"software-description\">Software Description<\/h3>\n<ul>\n<li>expat &#8211; XML parsing C library<\/li>\n<\/ul>\n<h3 id=\"details\">Details<\/h3>\n<p>It was discovered that Expat incorrectly handled certain XML files.<br \/>\nAn attacker could possibly use this issue to cause a denial of service.<\/p>\n<h2 id=\"update-instructions\">Update instructions<\/h2>\n<p>The problem can be corrected by updating your system to the following package versions:<\/p>\n<dl>\n<dt>Ubuntu 19.04<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\">libexpat1<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\/2.2.6-1ubuntu0.19.04\">2.2.6-1ubuntu0.19.04<\/a><\/dd>\n<dt>Ubuntu 18.10<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\">libexpat1<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\/2.2.6-1ubuntu0.18.10\">2.2.6-1ubuntu0.18.10<\/a><\/dd>\n<dt>Ubuntu 18.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\">libexpat1<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\/2.2.5-3ubuntu0.1\">2.2.5-3ubuntu0.1<\/a><\/dd>\n<dt>Ubuntu 16.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\">lib64expat1<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\/2.1.0-7ubuntu0.16.04.4\">2.1.0-7ubuntu0.16.04.4<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\">libexpat1<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/expat\/2.1.0-7ubuntu0.16.04.4\">2.1.0-7ubuntu0.16.04.4<\/a><\/dd>\n<\/dl>\n<p>To update your system, please follow these instructions: <a href=\"https:\/\/wiki.ubuntu.com\/Security\/Upgrades\">https:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.<\/p>\n<p>In general, a standard system update will make all the necessary changes.<\/p>\n<h2 id=\"references\">References<\/h2>\n<ul>\n<li><a href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/CVE-2018-20843\">CVE-2018-20843<\/a><\/li>\n<\/ul>\n<p>Source: <a href=\"https:\/\/usn.ubuntu.com\/4040-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4040-1: Expat vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4040-1: Expat vulnerability expat vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file. Software Description expat &#8211; XML parsing C library Details It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libexpat1 &#8211; 2.2.6-1ubuntu0.19.04 Ubuntu 18.10 libexpat1 &#8211; 2.2.6-1ubuntu0.18.10 Ubuntu 18.04 LTS libexpat1 &#8211; 2.2.5-3ubuntu0.1 Ubuntu 16.04 LTS lib64expat1 &#8211; 2.1.0-7ubuntu0.16.04.4 libexpat1 &#8211; 2.1.0-7ubuntu0.16.04.4 To update your system, please follow these instructions: https:\/\/wiki.ubuntu.com\/Security\/Upgrades. In general, a standard system update will make all <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4040-1-expat-vulnerability\/\" title=\"USN-4040-1: Expat vulnerability\">[ more&#8230; ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-31725","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/31725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=31725"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/31725\/revisions"}],"predecessor-version":[{"id":31726,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/31725\/revisions\/31726"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=31725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=31725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=31725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}