Samsung rlottie Numeric Truncation Remote Code Execution Vulnerability

June 11th, 2026
ZDI-26-359 ZDI-CAN-30288

CVE ID

CVE-2026-8916

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Samsung

Affected Products

rlottie

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Samsung rlottie. Interaction with the rlottie library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the rlottie library. The issue results from the lack of proper validation of user-supplied data, which can result in an integer truncation before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Samsung has issued an update to correct this vulnerability. More details can be found at:
https://github.com/Samsung/rlottie/pull/589/changes/dcfde72eae1b0464dc0dd760aec00ada6a148635

Disclosure Timeline

  • 2026-04-01 - Vulnerability reported to vendor
  • 2026-06-11 - Coordinated public release of advisory
  • 2026-06-11 - Advisory Updated

Credit

Michael DePlante (@izobashi) of TrendAI Zero Day Initiative

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