CVE-2021-33503
HighAdvisory
Published 1 Jun 2021In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.033
- 88th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 159
- of 17,781 indexed, latest versions
- Container images
- 165
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
Catastrophic backtracking in URL authority parser when passed URL containing many @ characters
Carried by container images the latest versions of 159 of 17,781 indexed charts deploy, on 165 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| urllib3pypi | 1.7.1, 1.25.2, 1.25.3, 1.25.7+9 more | 1.26.5 | 148 |
| python-pipdeb | 20.0.2-5ubuntu1.1, 20.0.2-5ubuntu1.5, 20.0.2-5ubuntu1.6 | 20.0.2-5ubuntu1.7 | 24 |
| python-urllib3deb | 1.25.8-2ubuntu0.1 | 1.25.8-2ubuntu0.2 | 15 |
- OSV records
- GHSA-q2q7-5pp4-w6pgUBUNTU-CVE-2021-33503PYSEC-2021-108
- Also known as
- USN-5812-1
Charts affected
159 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| horcruxstakewise | 1.0.1 | 1 of 1See more | 1,421 |
| cost-analyzerstatcan | 1.82.2 | 1 of 9See more | 16,506 |
| datapusherstatcan | 1.0.0 | 1 of 1See more | 3,044 |
| prometheus-operatorstatcan | 0.2.2 | 1 of 7See more | 12,237 |
| gtmetrix-bqt3n | 1.0.0 | 1 of 1See more | 1,287 |
| jenkinstnh | 2.7.1 | 1 of 2See more | 4,423 |
| ambassadorwenerme | 6.9.5 | 1 of 2See more | 4,086 |
| docker-hub-rate-limit-exporterwiremindVerified publisher | 0.3.0 | 1 of 1See more | 1,843 |
| powerdnsadminwitcom-gmbh | 0.3.4 | 1 of 1See more | 2,643 |
Container images carrying it
165 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| lsstsqre/ | 4879415ec6ac | urllib3 | 1.26.5 | 1 |
| lsstsqre/ | e9feb99f524d | urllib3 | 1.26.5 | 1 |
| mediagis/ | c15e941485ef | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| mintproject/ | 67d2f2103085 | urllib3 | 1.26.5 | 1 |
| mozilla/ | 016162bf39d8 | urllib3 | 1.26.5 | 1 |
| mshanley80/ | 5b189a70c0fb | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| ngoduykhanh/ | 099371dd9ba6 | urllib3 | 1.26.5 | 1 |
| ngoduykhanh/ | 9898a7cf37d2 | urllib3 | 1.26.5 | 1 |
| octoprint/ | 106c26efcd8a | urllib3 | 1.26.5 | 1 |
| odaniait/ | 3fff8a8570ec | urllib3 | 1.26.5 | 1 |
| openelevation/ | 82fb21612e86 | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| openstackhelm/ | f728510bab3c | urllib3 | 1.26.5 | 1 |
| openstackhelm/ | e07d75953d2e | urllib3 | 1.26.5 | 1 |
| openwhisk/ | c80dba0de3aa | urllib3 | 1.26.5 | 1 |
| phntom/ | d2b844700b57 | urllib3 | 1.26.5 | 1 |
| pnnlmiscscripts/ | 155131891741 | urllib3 | 1.26.5 | 1 |
| prompve/ | ff6749eb03b0 | urllib3 | 1.26.5 | 1 |
| reportportal/ | 95ada4a216ce | urllib3 | 1.26.5 | 1 |
| reportportal/ | 2a0e6dc11161 | urllib3 | 1.26.5 | 1 |
| seafileltd/ | 6693911bcc40 | python-pip python-urllib3 urllib3 | 20.0.2-5ubuntu1.7 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| seafileltd/ | 70628f29c663 | urllib3 | 1.26.5 | 1 |
| seafileltd/ | 7ac833196f60 | python-pip python-urllib3 urllib3 | 20.0.2-5ubuntu1.7 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| seafileltd/ | ed0fcda5e6a9 | python-pip python-urllib3 urllib3 | 20.0.2-5ubuntu1.7 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| searx/ | 3dbb3a6d9419 | urllib3 | 1.26.5 | 1 |
| seldonio/ | 1d0da98a2d76 | urllib3 | 1.26.5 | 1 |
| seldonio/ | 4e985d2006a8 | urllib3 | 1.26.5 | 1 |
| softonic/ | a64d6c0e0ae5 | urllib3 | 1.26.5 | 1 |
| someblackmagic/ | 6eca64b6b440 | python-pip python-urllib3 urllib3 | 20.0.2-5ubuntu1.7 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| stackstorm/ | 88235ba70cad | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 6f56d239d280 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 33ecfda16608 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 4e3f8c7ca52d | urllib3 | 1.26.5 | 1 |
| stackstorm/ | f190a6212195 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 259503496ff9 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | b1de2055c362 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | b1a338f64773 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 1c8904a3bf67 | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 1bf35bfaf00c | urllib3 | 1.26.5 | 1 |
| stackstorm/ | 19fdfffdbba8 | urllib3 | 1.26.5 | 1 |
| stakewiselabs/ | 2afd0c0b34cb | urllib3 | 1.26.5 | 1 |
| stashapp/ | 24dbd7607174 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| statcan/ | 3921305425b8 | python-pip urllib3 | 20.0.2-5ubuntu1.7 1.26.5 | 1 |
| streamnative/ | 11bceacec8fb | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| t3nde/ | d2939e9a719b | urllib3 | 1.26.5 | 1 |
| ubcctlt/ | cbbbbc8ae16b | urllib3 | 1.26.5 | 1 |
| viadee/ | 2e27e3b3ee56 | urllib3 | 1.26.5 | 1 |
| weblate/ | 82848df56ecd | urllib3 | 1.26.5 | 1 |
| wiremind/ | 4dea42c8166c | urllib3 | 1.26.5 | 1 |
| gcr.io/ | 360130ab5850 | urllib3 | 1.26.5 | 1 |
| gcr.io/ | 5f60c4988859 | urllib3 | 1.26.5 | 1 |