CVE-2016-3705: The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not...

Security readout for executives and security teams

CVE-2016-3705 is a denial-of-service flaw in libxml2 2.9.3. A specially crafted XML document with many nested entity references can consume stack space and crash an application that parses it. The main business concern is service disruption in systems that process untrusted XML. Exposure is most likely where libxml2 is used to parse XML from users, partners, files, APIs, or message queues. The bundle lists vendor advisories but lacks complete affected CPEs, fixed versions, or product-specific scope. Prioritize normal vulnerability remediation for internet-facing or business-critical XML-processing services. Escalate if affected systems process untrusted XML at scale or crash recovery would disrupt customer-facing workflows. Mitigation focus: Apply libxml2 security updates from the relevant OS or vendor advisory.; Check vendor guidance for bundled libxml2 in appliances or third-party software.; Reduce or isolate processing of untrusted XML where operationally possible..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.