CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-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.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-1333, CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- pyup:dependency_parser
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-8fg9-p83m-x5pq | PyPI | dparse | <0.5.2 | 0.5.2 |
| PYSEC-2022-301 | PyPI | dparse | <0.5.2 | 0.5.2 |
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
- https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5