CVE-2021-31315: Medium severity allegro vulnerability

Published May 18, 2021
·
Updated

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 blit function of their custom fork of the rlottie library. A remote attacker might be able to access Telegram's stack memory out-of-bounds on a victim device via a malicious animated sticker.

Affected Software

4 affected componentsFixes available
debian/rlottie
0.1+dfsg-20.1+dfsg-40.1+dfsg-4.2
Telegram Telegram Android<7.1.0
Telegram Telegram Iphone Os<7.1.0
Telegram Telegram macOS<7.1.0

Event History

May 18, 2021
CVE Published
via MITRE·07:45 PM
Data Sourced
via MITRE·07:45 PM
Description
Jan 10, 2025
Data Sourced
via Ubuntu·01:43 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·01:44 AM
Description
Data Sourced
via Debian·01:44 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-31315.

2

Which software versions are affected by this vulnerability?

Telegram Android versions prior to 7.1.0 (2090), Telegram iOS versions prior to 7.1, and Telegram macOS versions prior to 7.1 are affected by this vulnerability.

3

What is the severity of CVE-2021-31315?

The severity of CVE-2021-31315 is medium with a CVSS score of 5.5.

4

How can an attacker exploit this vulnerability?

A remote attacker might be able to access Telegram's stack memory out-of-bounds on a victim device via a malicious animation.

5

Are there any available fixes or patches for this vulnerability?

Currently, there are no known fixes or patches available for CVE-2021-31315. It is recommended to update to the latest version of Telegram when one becomes available.

Contact

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