Access of Resource Using Incompatible Type ('Type Confusion') Affecting rlottie package, versions <0.1+dfsg-2


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.29% (67th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-RLOTTIE-17966234
  • published14 Jul 2026
  • disclosed18 May 2021

Introduced: 18 May 2021

CVE-2021-31317  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Echo:latest rlottie to version 0.1+dfsg-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rlottie package and not the rlottie package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Type Confusion in the VDasher constructor of their custom fork of the rlottie library. A remote attacker might be able to access Telegram's heap memory out-of-bounds on a victim device via a malicious animated sticker.

CVSS Base Scores

version 3.1