CVEs-PoC/2021/CVE-2021-36978.md

### [CVE-2021-36978](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36978)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.

### POC

#### Reference
- https://github.com/qpdf/qpdf/issues/492

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds