{"id":"CVE-2016-9318","title":"libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attac…","summary":"libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attac…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-611","CWE-611"],"vendor":"xmlsoft","product":"libxml2","affected":["libxml2 <= 2.9.4","ubuntu_linux = 12.04","ubuntu_linux = 14.04","ubuntu_linux = 16.04","ubuntu_linux = 18.04"],"published":"2016-11-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T07:16:38.733","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2016-9318","references":[{"url":"http://www.securityfocus.com/bid/94347","label":"cve@mitre.org"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=772726","label":"cve@mitre.org"},{"url":"https://github.com/lsh123/xmlsec/issues/43","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201711-01","label":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3739-1/","label":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3739-2/","label":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/94347","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=772726","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/lsh123/xmlsec/issues/43","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201711-01","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3739-1/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3739-2/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.02938,"epssPercentile":0.86776,"ingestedAt":"2026-10-14T07:21:04.794Z","slug":"CVE-2016-9318","body":"## Overview\n\nlibxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.\n\n## Affected\n\n- `libxml2 <= 2.9.4`\n- `ubuntu_linux = 12.04`\n- `ubuntu_linux = 14.04`\n- `ubuntu_linux = 16.04`\n- `ubuntu_linux = 18.04`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.3,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}