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PYSEC-2022-301

Quick fix

PYSEC-2022-301 — dparse: upgrade to the fixed version with the command below.

pip install --upgrade 'dparse>=8c990170bbd6c0cf212f1151e9025486556062d5'

Details

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.

Are you affected?

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Affected packages

PyPI/dparse

Introduced in: 0Fixed in: 8c990170bbd6c0cf212f1151e9025486556062d5

Fixpip install --upgrade 'dparse>=8c990170bbd6c0cf212f1151e9025486556062d5'

References

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