CVE-2026-19587 Denial of service in rlottie

Medium 6.5 Published 12 Aug 2026 Updated 12 Aug 2026

Attackers can cause excessive resource consumption in the rlottie library, leading to denial of service for applications using it.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-19587?

CVE-2026-19587 is a medium-severity denial of service vulnerability in Samsung Open Source rlottie, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Uncontrolled Resource Consumption vulnerability in Samsung Open Source rlottie allows Excessive Allocation.

Weakness: CWE-400

Which versions are affected by CVE-2026-19587?

It affects 1 product.

Products include Samsung Rlottie.

How do I fix CVE-2026-19587?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-19587 being exploited?

There is no known exploitation of CVE-2026-19587 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-19587, GHSA-q2c3-368x-8j32, UBUNTU-CVE-2026-19587.