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Fencer Vulns
critical 9.8

CVE-2025-54949 json

ExecuTorch heap buffer overflow vulnerability

published 2025-08-07 15 mo ago modified 2026-10-27 12 d ago also EUVD-2025-23963 , GHSA-9m39-3mf3-xwch , PYSEC-2026-333

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

A heap buffer overflow vulnerability in the loading of ExecuTorch models can potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit ede82493dae6d2d43f8c424e7be4721abe5242be

Patch / fix

  • pypi executorch 0.7.0
  • maven org.pytorch:executorch-android 0.7.0
  • swift github.com/pytorch/executorch 0.7.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
14 mo ago

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi executorch
<0.7.0
0.7.0
maven org.pytorch:executorch-android
<0.7.0
0.7.0
swift github.com/pytorch/executorch
<0.7.0
0.7.0

Affected products

  • Meta Platforms, Inc ExecuTorch

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.