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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2280-1 | python3.5 security update |
Debian DLA |
DLA-3432-1 | python2.7 security update |
EUVD |
EUVD-2020-29358 | 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. |
Ubuntu USN |
USN-4333-1 | Python vulnerabilities |
Ubuntu USN |
USN-4333-2 | Python vulnerabilities |
Ubuntu USN |
USN-4754-3 | Python vulnerabilities |
Ubuntu USN |
USN-5200-1 | Python vulnerabilities |
Ubuntu USN |
USN-6891-1 | Python vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 14 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T10:03:45.890Z
Reserved: 2020-01-30T00:00:00
Link: CVE-2020-8492
No data.
Status : Modified
Published: 2020-01-30T19:15:12.103
Modified: 2024-11-21T05:38:56.167
Link: CVE-2020-8492
OpenCVE Enrichment
No data.
Debian DLA
EUVD
Ubuntu USN