CVE-2025-54951: meta platforms, inc executorch Heap-based Buffer Overflow

Vulnerability summary

CVE-2025-54951 is a critical (CVSS 9.8) Heap-based Buffer Overflow vulnerability in meta platforms, inc executorch. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52% of scored vulnerabilities.

Timeline

1. 07-08-2025
   PublishedVulnerability first disclosed.
2. 12-08-2025
   Last modifiedVulnerability information updated.

Description

A group of related buffer overflow vulnerabilities in the loading of ExecuTorch models can cause the runtime to crash and potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit cea9b23aa8ff78aff92829a466da97461cc7930c.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().