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 |
|---|---|---|---|---|
| datadog/ | 8f20e56b5311 | urllib3 | 1.26.5 | 1 |
| datawire/ | 07f8fe4f4f8e | urllib3 | 1.26.5 | 1 |
| datawire/ | 2beb65062c8b | urllib3 | 1.26.5 | 1 |
| datawire/ | 9716efbdd24b | urllib3 | 1.26.5 | 1 |
| deepflowce/ | a1888d35e787 | urllib3 | 1.26.5 | 1 |
| douz/ | 4384103d0219 | urllib3 | 1.26.5 | 1 |
| dysnix/ | 19951e3e7a32 | urllib3 | 1.26.5 | 1 |
| esphome/ | 3f51ec10e823 | urllib3 | 1.26.5 | 1 |
| fiware/ | 3e3ec88d59ed | urllib3 | 1.26.5 | 1 |
| fiware/ | 29456835bb2c | urllib3 | 1.26.5 | 1 |
| flagsmith/ | fd58556339a4 | urllib3 | 1.26.5 | 1 |
| frankescobar/ | 8a4d7e9308de | urllib3 | 1.26.5 | 1 |
| frankescobar/ | cafa03b94dac | urllib3 | 1.26.5 | 1 |
| galaxy/ | e5c265fe9fcd | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| galaxy/ | 0267bad550e6 | urllib3 | 1.26.5 | 1 |
| galaxy/ | 8e577a626dfd | urllib3 | 1.26.5 | 1 |
| geoscienceaustralia/ | f4039b45572a | urllib3 | 1.26.5 | 1 |
| gethue/ | 11b649636e68 | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| graphiteapp/ | 04a0037cc2ae | urllib3 | 1.26.5 | 1 |
| halkeye/ | 77b05e95fdb5 | urllib3 | 1.26.5 | 1 |
| haveagitgat/ | 1256348872ce | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| haveagitgat/ | 1e3f9328327d | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| haveagitgat/ | 3ff0913202dd | urllib3 | 1.26.5 | 1 |
| hiboxsystems/ | 7235809b43b3 | urllib3 | 1.26.5 | 1 |
| hjacobs/ | 45f93491c434 | urllib3 | 1.26.5 | 1 |
| hjacobs/ | b44a9cf81a2f | urllib3 | 1.26.5 | 1 |
| hmdmph/ | 79e4a170f3dc | urllib3 | 1.26.5 | 1 |
| hmdmph/ | 7f1381fe0f3b | urllib3 | 1.26.5 | 1 |
| intel/ | aa8f5483a2ef | python-pip python-urllib3 urllib3 | 20.0.2-5ubuntu1.7 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| jmferrer/ | 030f68ec6998 | urllib3 | 1.26.5 | 1 |
| julb/ | 837c4038a0dd | urllib3 | 1.26.5 | 1 |
| julb/ | d7d8836366ad | urllib3 | 1.26.5 | 1 |
| jupyterhub/ | b6b4a1a34bf0 | python-pip urllib3 | 20.0.2-5ubuntu1.7 1.26.5 | 1 |
| jupyterhub/ | e4770285aaf7 | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| jupyterhub/ | e3e6f3051df8 | urllib3 | 1.26.5 | 1 |
| keitaro/ | 5bf1a45f45c1 | urllib3 | 1.26.5 | 1 |
| kfirfer/ | e88cfcec5c93 | urllib3 | 1.26.5 | 1 |
| kiwigrid/ | 3e86186656d3 | urllib3 | 1.26.5 | 1 |
| kiwigrid/ | 65095a82d4a1 | urllib3 | 1.26.5 | 1 |
| kiwigrid/ | 6eb52513d59e | urllib3 | 1.26.5 | 1 |
| kiwigrid/ | 89739be9ff38 | urllib3 | 1.26.5 | 1 |
| kiwigrid/ | af151f677a63 | urllib3 | 1.26.5 | 1 |
| linuxserver/ | 938810eca3d3 | urllib3 | 1.26.5 | 1 |
| linuxserver/ | c4d2766b9eb7 | urllib3 | 1.26.5 | 1 |
| linuxserver/ | e48b479c1891 | urllib3 | 1.26.5 | 1 |
| lncm/ | bca14d04397d | urllib3 | 1.26.5 | 1 |
| logiqai/ | 55a574ec5b64 | urllib3 | 1.26.5 | 1 |
| lsstsqre/ | b75bf8aaafa4 | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| lsstsqre/ | 19c2dfc4e4ff | urllib3 | 1.26.5 | 1 |
| lsstsqre/ | 5e0ade6bed1c | urllib3 | 1.26.5 | 1 |