Information

Out of bound read due to malformed JBIG2 stream while being parsed in AcroRd32.dll.

Crash Dump

bugid attached

PoC

attached


Attachments:
AVR.PoisonUninitialized+0x5E 237.b22 @ acrord32.exe!acrord32.dll+0x605454.html
AVR@PoisonUninitialized@0x605454.pdf

References:
https://helpx.adobe.com/il_en/security/products/acrobat/apsb18-21.html