{"id":"DEBIAN-CVE-2021-31321","details":"Telegram Android \u003c7.1.0 (2090), Telegram iOS \u003c7.1, and Telegram macOS \u003c7.1 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.","modified":"2026-09-01T20:03:35.847382558Z","published":"2021-05-18T20:15:07.790Z","upstream":["CVE-2021-31321"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-31321"}],"affected":[{"package":{"name":"rlottie","ecosystem":"Debian:12","purl":"pkg:deb/debian/rlottie?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31321.json"}},{"package":{"name":"rlottie","ecosystem":"Debian:13","purl":"pkg:deb/debian/rlottie?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31321.json"}},{"package":{"name":"rlottie","ecosystem":"Debian:14","purl":"pkg:deb/debian/rlottie?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1+dfsg-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31321.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"}]}