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5.5
CVE-2021-31318: Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the LOTCompLayerItem::LOTCompLayerItem function of their custom fork of the rlottie li...
CVE-2021-31318 · published 5 years ago
Summary
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the LOTCompLayerItem::LOTCompLayerItem 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 mal...
What to do
- Update telegram telegram to version 7.1.0 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| telegram | telegram |
< 7.1.0 cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:* |
Original advisory text
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the LOTCompLayerItem::LOTCompLayerItem function of their custom fork of the rlottie li...
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the LOTCompLayerItem::LOTCompLayerItem 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.
References
- https://www.shielder.it/advisories/telegram-rlottie-lotcomplayeritem-lotcomplaye... Exploit Third Party Advisory
- https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stic... Exploit Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-843Type Confusion
Timeline
Published18 May 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-31318 · NVD
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