A carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.22 and prior 2.0.x versions.
www.openwall.com/lists/oss-security/2021/03/19/10
github.com/apache/pdfbox
github.com/apache/pdfbox/commit/8c47be1011c11dc47300faecffd8ab32fba3646f
issues.apache.org/jira/browse/PDFBOX-5112
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nvd.nist.gov/vuln/detail/CVE-2021-27906
www.oracle.com//security-alerts/cpujul2021.html
www.oracle.com/security-alerts/cpuapr2022.html
www.oracle.com/security-alerts/cpuoct2021.html