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{"affected_release": [{"advisory": "RHSA-2020:0702", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "xerces-c-0:3.0.1-21.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-03-04T00:00:00Z"}, {"advisory": "RHSA-2020:0704", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "xerces-c-0:3.1.1-10.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-03-04T00:00:00Z"}], "bugzilla": {"description": "xerces-c: XML parser contains a use-after-free error triggered during the scanning of external DTDs", "id": "1788472", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788472"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["The Apache Xerces-C 3.0.0 to 3.2.3 XML parser contains a use-after-free error triggered during the scanning of external DTDs. This flaw has not been addressed in the maintained version of the library and has no current mitigation other than to disable DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.", "A use-after-free vulnerability was found in xerces-c in the way an XML document is processed via the SAX API. Applications that process XML documents with an external Document Type Definition (DTD) may be vulnerable to this flaw. A remote attacker could exploit this flaw by creating a specially crafted XML file that would crash the application or potentially lead to arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "Disable DTD processing by setting the environment variable `XERCES_DISABLE_DTD=1`. Please note that this feature was introduced in xerces-c upstream version 3.1.4 and is not available in older versions. The versions of xerces-c as shipped with Red Hat Enterprise Linux 6 and 7 did not include this feature."}, "name": "CVE-2018-1311", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_mrg:3", "fix_state": "Out of support scope", "package_name": "xerces-c", "product_name": "Red Hat Enterprise MRG 3"}], "public_date": "2019-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-1311\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1311\nhttps://marc.info/?l=xerces-c-users&m=157653840106914&w=2"], "threat_severity": "Important"}