CVE-2021-31323

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1
are affected by a Heap Buffer Overflow in the
LottieParserImpl::parseDashProperty 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.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988885&gt;