CVE-2021-31322 describes a heap buffer overflow vulnerability in Telegram Android (<7.1.0), iOS (<7.1), and macOS (<7.1) due to a flaw in their custom rlottie library. This medium-severity vulnerability (CVSS 5.5) could allow a remote attacker to access out-of-bounds heap memory on a victim's device by sending a specially crafted animated sticker. While the attack requires user interaction (UI:R) and local access (AV:L), it could lead to high confidentiality impact (C:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.1.0CPE matchmatch criteria | cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:* | ||
< 7.1.0CPE matchmatch criteria | cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:* | ||
< 7.1.0CPE matchmatch criteria | cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.