CVE-2021-44228 – Apache Log4j Vulnerability

Q: Are Qoppa Software developer and server products affected by the recent CVE-2021-44228 – Apache Log4j Vulnerability? A: NO, the new log4j vulnerability does NOT affect any of the Qoppa Software libraries, components or server products. None of Qoppa’s jar files come packaged with the vulnerable “JndiLookup.class” file, our code actually uses our own custom logger. We have reviewed […]

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CMaps packaged within Qoppa PDF library and cmaps.jar

The most common CMaps are packaged directly into our library jars, including: 83pv-RKSJ-H, 90msp-RKSJ-H, 90ms-RKSJ-H, 90ms-RKSJ-V, B5pc-V, CNS-EUC-H, CNS-EUC-V, GB-EUC-H, Identity-H, Identity-V, KSC-EUC-H, KSC-EUC-V, KSCpc-EUC-H. Additional CMaps, used to read and display character encodings in CJK (Chinese, Japanese, Korean)  fonts are contained in the cmaps.jar filest. This jar file should be included in your classpath when you need to render PDF documents containing these type of fonts. The PDF reference (Chapter 4.6.4 CMaps) […]

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Multiple types of permissions in a PDF document

Starting with v2014R1, when enforcing permissions within a PDF document, Qoppa’s libraries check against 3 permissions types. The existing API was modified to reflect this change. Document Permissions – when the document is encrypted. DocMDP Permissions – when the document has a certifying signature. Usage Right Permissions – when the document is Adobe Reader enabled. […]

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