PT-2025-46720 · Pytorch+1 · Pytorch+1

CVE-2025-63396 · Published 2025-11-12 · Updated 2026-01-03

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions PyTorch versions 2.5 and 2.7.1

Description An issue exists where omitting profiler.stop() can cause torch.profiler.profile (PythonTracer) to crash or hang during finalization, potentially leading to a Denial of Service (DoS).

Recommendations Ensure profiler.stop() is called to prevent crashes or hangs during finalization for PyTorch version 2.5. Ensure profiler.stop() is called to prevent crashes or hangs during finalization for PyTorch version 2.7.1.

Exploit

Fix

DoS

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

BIT-PYTORCH-2025-63396

CVE-2025-63396

ECHO-00C5-1DBA-56E8

PYSEC-2025-210

Affected Products

Debian

Pytorch

References · 15

• 🔥 https://github.com/pytorch/pytorch/issues/156563 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63396.json · Exploit
• https://cve.org/CVERecord?id=CVE-2025-63396 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-63396 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-63396 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-63396 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-pytorch-2025-63396 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-63396 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-63396 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-63396 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2025-210 · Vendor Advisory
• https://github.com/pytorch/pytorch · Note
• https://twitter.com/CVEnew/status/1988820463074832672 · Twitter Post
• http://pytorch.com · Note
• https://github.com/Daisy2ang · Note