Buffer overflow in Samsung Opensource Rlottie

CVE-2026-91826

Stack-based buffer overflow vulnerability in Samsung Opensource rLottie allows attackers to overflow buffers, leading to memory corruption when rendering crafted vector animations. This issue affects rLottie: 480a2ad0c5d2e45458c545b8213279e9e8b71e39.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (3.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-91826: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-91826?
CVE-2026-91826 is a medium-severity vulnerability in Samsung Opensource Rlottie, classified under Stack-based Buffer Overflow. CVSS score: 4.4/10. Published 2026-09-15.
How severe is CVE-2026-91826?
Medium severity. CVSS v3 base score is 4.4 out of 10.