CVE-2017-18361

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-02-01 · updated 2026-06-17
Weakness: CWE-835

Description

In Pylons Colander through 1.6, the URL validator allows an attacker to potentially cause an infinite loop thereby causing a denial of service via an unclosed parenthesis.

Affected products

Pylonsproject Colander: through 1.6

References

https://github.com/Pylons/colander/issues/290
https://github.com/Pylons/colander/pull/323
https://github.com/Pylons/colander/issues/290
https://github.com/Pylons/colander/pull/323

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