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Vulnerability · Published Mar 10, 2025 · Assigned by VulDB

CVE-2025-2149PyTorch Quantized Sigmoid Module nnq_Sigmoid initialization

Low 2.5

In plain English

A low-severity security flaw in PyTorch. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)2.5Low
Exploit odds (30 days)0.3%top 82.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in PyTorch 2.6.0+cu124. It has been rated as problematic. Affected by this issue is the function nnq_Sigmoid of the component Quantized Sigmoid Module. The manipulation of the argument scale/zero_point leads to improper initialization. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12pytorchno fix listedDEBIAN-CVE-2025-2149
Debian:13pytorchno fix listedDEBIAN-CVE-2025-2149
Debian:14pytorchno fix listedDEBIAN-CVE-2025-2149
PyPItorchno fix listedGHSA-x3gm-94wq-g975
PyPItorchno fix listedPYSEC-2025-190
Ubuntu:22.04:LTSpytorchno fix listedUBUNTU-CVE-2025-2149
Ubuntu:25.10pytorchno fix listedUBUNTU-CVE-2025-2149
Ubuntu:26.04:LTSpytorchno fix listedUBUNTU-CVE-2025-2149
Ubuntu:26.10pytorchno fix listedUBUNTU-CVE-2025-2149

Affected products (as reported)

VendorProductVersions
n/a PyTorch 2.6.0+cu124

Weakness: CWE-665 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

References