CVE-2021-31321
7.1
HIGH
CVSS 3.1
EPSS 0.18%
Description
Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Stack Based Overflow in the gray_split_cubic function of their custom fork of the rlottie library. A remote attacker might be able to overwrite Telegram's stack memory out-of-bounds on a victim device via a malicious animated sticker.
How to fix CVE-2021-31321
To remediate CVE-2021-31321, upgrade the affected package to a fixed version below.
- —upgrade to 0.1+dfsg-2 or later
Is CVE-2021-31321 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.1+dfsg-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |