CVE-2017-18361

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.

CVSS v4.0 GitHub

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v3.0 NVD

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.07% chance of exploitation in the next 30 days, 81st percentile

Published

2019-02-01

Updated

2024-08-05

Proof-of-concept exploits (1)

• Pylons/colander/issues/290460★ · 2026-08-02

Security advisories

• advisories/GHSA-rv95-4wxj-6fqq

References

• CVE Record
• NVD entry