CVE-2021-31321: High severity allegro vulnerability
Last updated 24 July 2024
Other sources
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overflow in the graysplitcubic function of their custom fork of the rlottie library. A remote attacker might be able to overwrite Telegram's stack memory out-of-bounds on a victim device via a malicious animated sticker.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31321?
The severity of CVE-2021-31321 is high.
Which versions of Telegram are affected by CVE-2021-31321?
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by CVE-2021-31321.
What is the vulnerability in Telegram related to CVE-2021-31321?
CVE-2021-31321 is a Stack Based Overflow in the gray_split_cubic function of Telegram's custom fork of the rlottie library.
How can a remote attacker exploit CVE-2021-31321?
A remote attacker may be able to overwrite Telegram's stack memory out-of-bounds on a victim device via a specially crafted malicious sticker.
Are there any references for more information about CVE-2021-31321?
Yes, you can find more information about CVE-2021-31321 at the following links: [Link 1](https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/), [Link 2](https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/).