Resource Exhaustion Affecting python-urllib3 package, versions *
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Test your applications- Snyk ID SNYK-UBUNTU2010-PYTHONURLLIB3-1304498
- published 11 Jun 2021
- disclosed 29 Jun 2021
Introduced: 11 Jun 2021
CVE-2021-33503 Open this link in a new tabHow to fix?
There is no fixed version for Ubuntu:20.10
python-urllib3
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-urllib3
package and not the python-urllib3
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:20.10
relevant fixed versions and status.
An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-33503
- https://github.com/advisories/GHSA-q2q7-5pp4-w6pg
- https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/
- https://security.gentoo.org/glsa/202107-36
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/