Main Vulnerability Database Vulnerabilities #VU83348

Incorrect Regular Expression in fast-csv - CVE-2020-26256

Published: November 21, 2023

Vulnerability identifier: #VU83348

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-26256

CWE-ID: CWE-185

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Affected software

fast-csv
IBM Watson Assistant for IBM Cloud Pak for Data

How to mitigate CVE-2020-26256

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

fast-csv - update to 4.3.6
IBM Watson Assistant for IBM Cloud Pak for Data - update to 4.7.0

External References

Related Security Bulletins