CVE-2026-15551 in rlottie
Summary
by MITRE • 07/13/2026
Integer overflow or wraparound vulnerability in Samsung Open Source rlottie allows Overflow Buffers.
This issue affects .
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Analysis
by VulDB Data Team • 07/13/2026
The integer overflow vulnerability in Samsung's open source rlottie library represents a critical security flaw that can lead to buffer overflows and potential code execution exploits. This vulnerability stems from improper handling of integer arithmetic operations within the library's animation processing functions, where large integer values are not properly validated before being used as array indices or buffer sizes. The rlottie library is widely used for rendering lottie animations in various Samsung applications and frameworks, making this vulnerability particularly concerning from a supply chain security perspective. When integer overflow occurs, it can cause the application to allocate insufficient memory buffers or access memory locations outside the intended boundaries, creating opportunities for attackers to manipulate program execution flow through memory corruption techniques.
The technical implementation of this vulnerability involves scenarios where integer variables exceed their maximum representable values and wrap around to negative or unexpectedly small positive values. This typically occurs in loops, array indexing operations, or memory allocation calculations where input parameters from external sources are not properly sanitized. The specific nature of the flaw allows attackers to control the size calculations used for buffer allocations, potentially leading to heap-based buffer overflows when the library attempts to process maliciously crafted animation files. These conditions align with common weakness enumerations such as CWE-190, which specifically addresses integer overflow and wraparound issues, and CWE-121, covering stack-based buffer overflow conditions. The vulnerability can be exploited through carefully constructed lottie animation files that trigger the problematic integer arithmetic paths during processing.
The operational impact of this vulnerability extends beyond individual application compromises to affect Samsung's broader ecosystem of devices and software platforms. Since rlottie is integrated into multiple Samsung applications and frameworks including mobile operating systems, web browsers, and various productivity tools, a successful exploitation could potentially allow attackers to execute arbitrary code with the privileges of the affected application. This creates opportunities for privilege escalation attacks, data exfiltration, or persistent backdoor installations that could compromise user privacy and device integrity. The vulnerability's presence in open source components also means that other organizations using rlottie in their products may be similarly affected, amplifying the potential attack surface. From an adversarial perspective, this issue maps to ATT&CK technique T1059.007 for command and scripting interpreter, specifically through the use of buffer overflow exploitation techniques that can bypass modern exploit mitigation controls.
Mitigation strategies should focus on immediate code-level patches that implement proper integer overflow detection and prevention mechanisms before any arithmetic operations are performed. Developers must validate all input parameters to ensure they fall within expected ranges and implement bounds checking for array indices and memory allocation sizes. The recommended approach involves using safe arithmetic libraries or compiler built-ins that detect overflow conditions, along with comprehensive unit testing that covers edge cases involving maximum integer values. Organizations should also implement runtime protections such as stack canaries, address space layout randomization, and control flow integrity mechanisms to make exploitation more difficult even if the underlying vulnerability is not immediately patched. Additionally, regular dependency updates and security scanning of open source components should be integrated into development workflows to identify similar vulnerabilities in other third-party libraries that may be subject to similar attack vectors.