CVE-2021-31321

Katalog CVE

CVSS 7.1 · High EPSS 1,1%

Kerentanan Out-of-bounds Write pada telegram. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

18 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.1 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 64,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.shielder.it/advisories/telegram-rlottie-gray_split_cubic-stack-buffer-overflow/ exploit · advisory pihak ketiga
• https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/ exploit · advisory pihak ketiga