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CVE-2021-31319

Description

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by an Integer Overflow in the LOTGradient::populate function of their custom fork of the rlottie library. A remote attacker might be able to access heap memory out-of-bounds on a victim device via a malicious animated sticker.

POC

Reference

- https://www.shielder.it/advisories/telegram-rlottie-lotgradient-populate-integer-overflow/

Github

No PoCs found on GitHub currently.