Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-23953

If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 58.7%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.3
Products affected by CVE-2021-23953


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