Description

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

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.5",
  "pubDate": "2026-08-12T03:16:42.950Z",
  "pubdate": "2026-08-12T03:16:42.950Z",
  "executiveSummary": "An Uncontrolled Resource Consumption vulnerability, classified as Excessive Allocation, has been identified in Samsung Open Source rlottie. This security flaw allows an attacker to cause excessive memory consumption, potentially leading to denial of service conditions on systems processing untrusted input.\nThe affected product is Samsung Open Source rlottie. The vulnerability arises from improper handling of resource allocation when parsing specific file structures or data inputs, allowing malicious actors to exhaust available system memory.\nThe risk implication is significant as it can compromise application availability and system stability. Depending on the integration context, successful exploitation can result in application crashes or resource starvation across dependent services.\nAttacker capabilities involve supplying a crafted input file or payload to the vulnerable rlottie library processing pipeline. Exploitation requirements generally rely on the application parsing untrusted data supplied directly or indirectly by the user without proper input sanitization or resource limits.",
  "technicalDetails": "The vulnerability exists within the Samsung Open Source rlottie library, specifically in components responsible for parsing and rendering vector graphics and animation formats. The root cause stems from an absence of adequate bounds checking and resource limitation controls during the memory allocation phase.\nWhen the affected rlottie component processes a maliciously crafted input file, it attempts to allocate memory proportional to sizing parameters defined within the file headers or structural metadata without validating whether these values exceed safe operational thresholds.\nThe attack flow proceeds as follows: First, an attacker crafts a malicious input file containing manipulated allocation descriptors or vector dimensions. Second, the victim application utilizes rlottie to parse this file. Third, upon encountering the exaggerated sizing indicators, the library issues massive memory allocation requests to the underlying operating system.\nThis excessive allocation behavior rapidly depletes available system RAM and heap space. Consequently, the host process encounters out-of-memory errors, resulting in abnormal termination or system-wide denial of service.\nThe vulnerable component involves the internal parsing and memory management routines of Samsung Open Source rlottie. Authentication and privilege requirements depend entirely on the host application architecture, as the vulnerability resides within a third-party library parser rather than an authenticated network service.\nNetwork exposure is determined by how the host application ingests data; if the parsing routine processes remotely supplied files via web interfaces or network APIs, the attack surface becomes remotely exploitable without authentication."
}