An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex.
No PoCs from references.
- https://github.com/0xCyberY/CVE-T4PDF
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Yvillia/discord-coderbot
- https://github.com/doyensec/regexploit
- https://github.com/engn33r/awesome-redos-security
- https://github.com/nnrogers515/discord-coderbot
- https://github.com/retr0-13/regexploit