twisted

Event-driven networking engine written in Python.

Version: 24.7.0 registry icon
Safety score
40
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Security Risks of Known Vulnerabilities
CVE-2026-106454
CWE-1333
Threat level: MEDIUM | CVSS score: 5

wildcardToRegexp() in twisted/mail/imap4.py converts IMAP LIST/LSUB wildcard patterns to Python regular expressions. It substitutes the two IMAP wildcards (* → (?:.?) and % → (?:(?:[^\\/])?)) but passes every other character through unchanged to re.compile(). This means that an authenticated IMAP client can send a quoted pattern string containing arbitrary regex syntax - including catastrophic-backtracking constructs such as (a+)+z.



Please note that this component is affected by 3 other vulnerabilities
0 Critical  |  2 High  |  1 Medium  |  0 Low  |  0 Suggest

All versions of this component are vulnerable.

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Stability

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Latest patch release:   --

Latest minor release:   24.11.0

Latest major release:   26.4.0

Licensing

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MIT   -   MIT License

Not a wildcard

Not proprietary

OSI Compliant