Information

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

Crash Dump

bugid attached

PoC

attached


Attachments:
AVR.NULL+4 5d0.cfb @ acrord32.exe!acrord32.dll+0x6051E5.html
AVR@NULL@0x6051E5.pdf

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