In PyTorch before 2.7.0, bitwise_right_shift produces incorrect output for certain out-of-bounds values of the "other" argument.
Conclusion & alert: CVE-2025-46152 is rated Low Risk (26.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-02 | 0.04% | 0.05% | +0.01% |
| 2 | 2025-09-26 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-46152 not yet assigned priority: Debian including 1 source packages (pytorch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. | https://security-tracker.debian.org/tracker/CVE-2025-46152 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2025-46152 |
ubuntu
|
medium | CVE-2025-46152 medium priority: Ubuntu including 1 source packages (pytorch), 5 status rows across 5 suites (jammy, noble, plucky, questing, upstream): needs-triage 3, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2025-46152 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linuxfoundation | pytorch | >= 2.6.0, < 2.7.0 | cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/shaoyuyoung/4bcefba4004f8271e64b5185c95a248a | Third Party Advisory |
| https://github.com/pytorch/pytorch/issues/143555 | Issue Tracking |
| https://github.com/pytorch/pytorch/pull/143635 | Issue Tracking Patch |