CVE-2022-39280

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.

Score

CVSS 3.1 7.5 High

Status

Modified - security-advisories@github.com

Published

2022-10-06

Last modified

2025-04-23

Weaknesses

CWE-1333, CWE-400

Affected products

• Dependency Parser (Pyup)
• Dparse (Pyupio)

References

• https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5
• https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614
• https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq
• https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS