ALPINE-CVE-2020-8492
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 30 Jan 2020, 19:15
Last modified:03 Dec 2025, 22:47
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
30 Jan 2020, 19:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:47
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Systems
- alpine•python3
< 3.7.7-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0 | < 3.8.2-r0