Medium severity5.9NVD Advisory· Published Oct 6, 2022· Updated Jun 17, 2026
CVE-2022-39280
CVE-2022-39280
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
dparsePyPI | < 0.5.2 | 0.5.2 |
Affected products
3- pyupio/dparsev5Range: < 0.5.2
Patches
Vulnerability mechanics
References
7- github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5nvdPatchThird Party AdvisoryWEB
- github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-8fg9-p83m-x5pqghsaADVISORY
- github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pqnvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2022-39280ghsaADVISORY
- owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoSnvdTechnical DescriptionThird Party AdvisoryWEB
- github.com/pypa/advisory-database/tree/main/vulns/dparse/PYSEC-2022-301.yamlghsaWEB
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