CVE-2021-31320
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductTelegram
PublishedMay 18, 2021
First seenMay 18, 2021
How to fix
Update
- telegram telegram7.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| telegram telegram | v < 7.1.0 | 7.1.0 |
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