CVE-2016-9063
CriticalCVSS 9.8Exploitation Probability (EPSS)
Very high risk93th percentile - higher than 93% of all known CVEs
Summary
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
Risk Assessment
Potential arbitrary code execution or browser crash when processing a malicious XML file.
Recommendation
Upgrade Firefox to version 50 or later to mitigate this vulnerability.
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Original NVD description (English source)
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS