---
id: CVE-2023-46960
aliases:
  - GHSA-82wx-rxf8-fxch
  - PYSEC-2026-1838
title: PyPXE Buffer Overflow vulnerability
summary: PyPXE Buffer Overflow vulnerability
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'
vendor: pypxe
product: pypxe
ecosystem: pip
affected:
  - pypxe <= 1.8.4
published: '2024-04-29'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-82wx-rxf8-fxch'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-46960'
  - url: 'https://github.com/pypxe/PyPXE/issues/206'
  - url: 'https://github.com/pypxe/PyPXE'
tags:
  - osv
  - pip
epss: 0.00543
epssPercentile: 0.43251
ingestedAt: '2026-07-08T18:25:47.276Z'
---

## Overview

Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.

## Affected packages

- `pypxe <= 1.8.4`

## Remediation

Refer to the advisory for the patched release.