Description
An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() can cause torch.profiler.profile (PythonTracer) to crash or hang during finalization, leading to a Denial of Service (DoS).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pytorch | No fix yet | — |
| Debian 13 | pytorch | No fix yet | — |
| Debian 12 | pytorch | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | pytorch | No fix yet | — |
| Ubuntu 26.04 LTS | pytorch | No fix yet | — |
| Ubuntu 25.10 | pytorch | No fix yet | — |
| Ubuntu 22.04 LTS | pytorch | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | torch | <= 2.5.0-NA · <= 2.7.1-NA | — | PYSEC-2025-210 |
Advisories 1
- WID-SEC-2025-2589 PyTorch: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 12, 2025