PoC Index

CVE-2021-31323

MEDIUM 5.5EPSS 1.3%

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.

CVSS v3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS
1.27% chance of exploitation in the next 30 days, 68th percentile
Published
2021-05-18
Updated
2024-08-03

Proof-of-concept exploits (1)

References

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