VULNERABILITY INTELLIGENCE

CVE-2022-39280

CVSS score5.9 MEDIUM
EPSS probability1.34%
CISA KEVNot currently listed
Published2022-10-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is vulnerable to a Regular Expression Denial of Service. All the users parsing index server URLs with dparse are impacted by this vulnerability. A patch has been applied in version `0.5.2`, all the users are advised to upgrade to `0.5.2` as soon as possible. Users unable to upgrade should avoid passing index server URLs in the source file to be parsed.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption
  • CWE-1333: Inefficient Regular Expression Complexity

Primary references