---
id: CVE-2023-52307
aliases:
  - GHSA-g57v-2687-jx33
  - PYSEC-2024-139
title: PaddlePaddle stack overflow in paddle.linalg.lu_unpack
summary: PaddlePaddle stack overflow in paddle.linalg.lu_unpack
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L'
vendor: paddlepaddle
product: paddlepaddle
ecosystem: pip
affected:
  - paddlepaddle < 2.6.0
patched:
  - paddlepaddle 2.6.0
published: '2024-01-03'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:49:59.654368302Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-g57v-2687-jx33'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-52307'
  - url: >-
      https://github.com/PaddlePaddle/Paddle/commit/6fdb316c8b0eb747e5324907e352824c9dba8215
  - url: 'https://github.com/PaddlePaddle/Paddle'
  - url: >-
      https://github.com/PaddlePaddle/Paddle/blob/develop/security/advisory/pdsa-2023-016.md
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/paddlepaddle/PYSEC-2024-139.yaml
tags:
  - osv
  - pip
epss: 0.00534
epssPercentile: 0.43811
ingestedAt: '2026-09-12T03:13:01.694Z'
---

## Overview

Stack overflow in paddle.linalg.lu_unpack in PaddlePaddle before 2.6.0. This flaw can lead to a denial of service, or even more damage.





## Affected packages

- `paddlepaddle < 2.6.0`

## Remediation

Upgrade to a patched release:

- `paddlepaddle 2.6.0`