CVE-2022-39280
MEDIUMPyup Dependency Parser < 0.5.1 - Denial of Service
Title source: ruleDescription
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.
References (4)
Core 4
Core References
Patch, Third Party Advisory
https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5
Patch, Third Party Advisory
https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614
Third Party Advisory
https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq
Technical Description, Third Party Advisory
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS
Scores
CVSS v3
5.9
EPSS
0.0098
EPSS Percentile
57.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1333
CWE-400
Status
published
Products (2)
pypi/dparse
0 - 0.5.2PyPI
pyup/dependency_parser
< 0.5.1
Published
Oct 06, 2022
Tracked Since
Feb 18, 2026