Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
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History
Wed, 14 Oct 2026 09:30:00 +0000
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Wed, 07 Oct 2026 19:30:00 +0000
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Mon, 14 Jul 2025 13:45:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2020-01-30T00:00:00.000Z
Updated: 2026-10-14T08:40:24.670Z
Reserved: 2020-01-30T00:00:00.000Z
Link: CVE-2020-8492
Updated: 2024-08-04T10:03:45.890Z
Status : Modified
Published: 2020-01-30T19:15:12.103
Modified: 2026-10-14T09:17:21.473
Link: CVE-2020-8492