Vulnerability · Published Aug 7, 2025 · Assigned by facebook
CVE-2025-54952
Critical 9.8
In plain English
A critical-severity security flaw in ExecuTorch from Meta Platforms, Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 49.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An integer overflow vulnerability in the loading of ExecuTorch models can cause smaller-than-expected memory regions to be allocated, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 8f062d3f661e20bb19b24b767b9a9a46e8359f2b.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | executorch | no fix listed | GHSA-33r8-vrx9-rmcv |
| PyPI | executorch | no fix listed | PYSEC-2026-1351 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Meta Platforms, Inc | ExecuTorch | 0 – before https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b |
Weakness: CWE-680 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.facebook.com/security/advisories/cve-2025-54952 x_refsource_CONFIRM
- https://github.com/pytorch/executorch/commit/8f062d3f661e20bb19b24b767b9a9a46e8359f2b x_refsource_CONFIRM