vulnerability
Ubuntu: USN-4570-1 (CVE-2020-26137): urllib3 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:P/A:N) | Sep 30, 2020 | Mar 22, 2023 | Aug 18, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Sep 30, 2020
Added
Mar 22, 2023
Modified
Aug 18, 2025
Description
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
Solutions
ubuntu-upgrade-python-urllib3ubuntu-upgrade-python3-urllib3
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