CVE-2025-55551

highCVSS 7.5covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: A denial of service vulnerability in PyTorch's torch.linalg.lu function crashes on certain slice operations.
Who is affected: PyTorch 2.8.0 users performing linear algebra operations with specific slice patterns.
Urgency: High priority; CVSS 7.5 and DoS attacks can halt machine learning workloads.
Action: Upgrade PyTorch to a version after 2.8.0 that includes fixes for torch.linalg.lu slice handling.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.

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