id: PYSEC-2019-167 details: 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: - package: name: colander ecosystem: PyPI purl: pkg:pypi/colander ranges: - type: ECOSYSTEM events: - introduced: '0' - fixed: 1.7.0 versions: - '0.1' - '0.2' - '0.3' - '0.4' - '0.5' - 0.5.1 - 0.5.2 - 0.6.0 - 0.6.1 - 0.6.2 - 0.7.0 - 0.7.1 - 0.7.2 - 0.7.3 - '0.8' - '0.9' - 0.9.1 - 0.9.2 - 0.9.3 - 0.9.4 - 0.9.5 - 0.9.6 - 0.9.7 - 0.9.8 - 0.9.9 - '1.0' - 1.0a1 - 1.0a2 - 1.0a3 - 1.0a4 - 1.0a5 - 1.0b1 - '1.1' - '1.2' - '1.3' - 1.3.1 - 1.3.2 - 1.3.3 - '1.4' - '1.5' - 1.5.1 - 1.6.0 references: - type: WEB url: https://github.com/Pylons/colander/pull/323 - type: REPORT url: https://github.com/Pylons/colander/issues/290 - type: ADVISORY url: https://github.com/advisories/GHSA-rv95-4wxj-6fqq aliases: - CVE-2017-18361 - GHSA-rv95-4wxj-6fqq modified: '2021-08-25T04:29:57.387774Z' published: '2019-02-01T09:29:00Z'