CVE-2019-19819

The JBIG2Globals library in npdf.dll in Nitro Free PDF Reader 12.0.0.112 has a CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec NULL Pointer Dereference via crafted Unicode content.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Potential Mitigations

References

• https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-12-multiple-nitro-pdf-vulnerability.md
• https://nafiez.github.io/security/vulnerability/remote/2019/12/12/multiple-nitro-pdf-vulnerability.html