Is CVE-2026-15551 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-15551 being exploited in the wild.

How severe is CVE-2026-15551?

Medium severity, with a CVSS score of 5.5, published 13 July 2026.

Which products and versions are affected?

Samsung Rlottie Prior to commit f487eff.

Is there a fix for CVE-2026-15551?

A patch was published on 2026-07-03: Fix merged into master branch via commit f487eff Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-15551 attacked?

It is attacked with local access, in a software library.

Am I affected by CVE-2026-15551?

Check whether you run Samsung Rlottie at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-15551: Samsung rlottie integer overflow in span Y coordinate rendering

CVE-2026-15551 · Severity: medium · CVSS 5.5 · Published 2026-07-13

Samsung rlottie is an open-source library used for rendering vector animations, commonly found in mobile apps and smart appliances. A vulnerability in how the library handles animation coordinates could allow a malicious file to cause a system crash or potentially execute unauthorized code. This could impact the stability of the device or the security of user data if a user is tricked into opening a specially crafted animation file.

Technologies: Samsung Rlottie. Vendors: Samsung.

Quick answers

Is CVE-2026-15551 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-15551 being exploited in the wild.
How severe is CVE-2026-15551?: Medium severity, with a CVSS score of 5.5, published 13 July 2026.
Which products and versions are affected?: Samsung Rlottie Prior to commit f487eff.
Is there a fix for CVE-2026-15551?: A patch was published on 2026-07-03: Fix merged into master branch via commit f487eff Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-15551 attacked?: It is attacked with local access, in a software library.
Am I affected by CVE-2026-15551?: Check whether you run Samsung Rlottie at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An integer overflow vulnerability (CWE-190) exists in Samsung's rlottie library due to improper coordinate clamping. The root cause is a narrowing conversion where a 32-bit integer coordinate is stored into a 16-bit short field (`SW_FT_Span.y`) without adequate bounds checking. Because the library inherited clamping logic from FreeType that assumed a 32-bit destination, the existing `INT_MAX` check failed to prevent truncation when the value was assigned to the 16-bit short. An attacker can exploit this by providing a crafted animation file that triggers a heap buffer overflow. Exploitation requires local access and user interaction (opening a file) and is hindered by high complexity. A fix was merged in July 2026 via pull request #595.

Affected products

Samsung Open Source rlottie Prior to commit f487eff

Timeline

2026-07-01: disclosed: Pull request submitted to fix the overflow issue
2026-07-03: patched: Fix merged into master branch via commit f487eff
2026-07-13: advisory: CVE-2026-15551 published

References

https://github.com/Samsung/rlottie/pull/595

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