CVE-2023-4138
Python vulnerability analysis and mitigation

Overview

CVE-2023-4138 is a vulnerability identified in GitHub repository ikus060/rdiffweb affecting versions prior to 2.8.0. The vulnerability was discovered and disclosed in August 2023, and it relates to Allocation of Resources Without Limits or Throttling (NVD).

Technical details

The vulnerability is classified as a resource management issue, specifically related to Allocation of Resources Without Limits or Throttling (CWE-770). It has received a CVSS v3.1 base score of 6.5 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L (NVD).

Impact

The vulnerability could potentially lead to resource exhaustion through unlimited allocation, affecting system availability and integrity. The CVSS scoring indicates potential impacts on both integrity and availability (I:L/A:L) while confidentiality remains unaffected (C:N) (NVD).

Mitigation and workarounds

The vulnerability has been patched in rdiffweb version 2.8.0. Users are advised to upgrade to this version or later to mitigate the risk. The fix includes implementing rate limiting for the 'send me a status report' functionality to prevent email flooding (GitHub Patch).

Additional resources


SourceThis report was generated using AI

Related Python vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22612HIGH8.9
  • PythonPython
  • fickling
NoYesJan 10, 2026
CVE-2026-22609HIGH8.9
  • PythonPython
  • fickling
NoYesJan 10, 2026
CVE-2026-22608HIGH8.9
  • PythonPython
  • fickling
NoYesJan 10, 2026
CVE-2026-22691LOW2.7
  • PythonPython
  • pypdf
NoYesJan 10, 2026
CVE-2026-22690LOW2.7
  • PythonPython
  • pypdf
NoYesJan 10, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management