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cve/2021/CVE-2021-31320.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-31320

Description

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

POC

Reference

Github

No PoCs found on GitHub currently.