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 |
|---|---|---|---|---|
| argoproj/ | 830e86cacefd | urllib3 | 1.26.5 | 3 |
| cloudve/ | 4a3d7fae90bb | python-pip | 20.0.2-5ubuntu1.7 | 3 |
| dnationcloud/ | 78fed4f3c130 | urllib3 | 1.26.5 | 3 |
| kiwigrid/ | 170069ff0976 | urllib3 | 1.26.5 | 3 |
| kiwigrid/ | 7b98eecdf6d1 | urllib3 | 1.26.5 | 3 |
| amancevice/ | 12a0a9e66550 | urllib3 | 1.26.5 | 2 |
| architectminds/ | 9735e59a1085 | urllib3 | 1.26.5 | 2 |
| datawire/ | 8588eafe6862 | urllib3 | 1.26.5 | 2 |
| larribas/ | 05ccb0b46bfb | urllib3 | 1.26.5 | 2 |
| neuvector/ | f1b7d666eae0 | urllib3 | 1.26.5 | 2 |
| ngoduykhanh/ | ba36ab196d3d | urllib3 | 1.26.5 | 2 |
| omecproject/ | 7c17a7b1d1ef | urllib3 | 1.26.5 | 2 |
| sealife/ | f5cc2f0f4c9b | urllib3 | 1.26.5 | 2 |
| smartedge/ | 4cd63c22ce36 | python-pip | 20.0.2-5ubuntu1.7 | 2 |
| weblate/ | 69c160d37a3c | urllib3 | 1.26.5 | 2 |
| wurstmeister/ | 7a7fd44a7210 | urllib3 | 1.26.5 | 2 |
| a10networks/ | 8dc58d434d71 | urllib3 | 1.26.5 | 1 |
| acockburn/ | 3a93281d7e94 | urllib3 | 1.26.5 | 1 |
| adwerx/ | 840d2b078682 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| afrank/ | d463c37b08d7 | urllib3 | 1.26.5 | 1 |
| airsonicadvanced/ | f7cbafac2806 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| amundsendev/ | 4d98eb21f5f9 | urllib3 | 1.26.5 | 1 |
| anchore/ | bde9eedf639d | urllib3 | 1.26.5 | 1 |
| anchore/ | ed9b3badd17c | urllib3 | 1.26.5 | 1 |
| apachepulsar/ | 3b262ab7a7d9 | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| apachepulsar/ | 4db6ff0b4045 | urllib3 | 1.26.5 | 1 |
| apsl/ | 51e2de5c2c70 | urllib3 | 1.26.5 | 1 |
| assistiot/ | e5ae539ce2cb | urllib3 | 1.26.5 | 1 |
| bbvalabs/ | 3ea299ae63c0 | urllib3 | 1.26.5 | 1 |
| bicarus/ | b1dab0721e1c | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| billimek/ | f14ccd7aad0e | urllib3 | 1.26.5 | 1 |
| blakeblackshear/ | ae269270ad9e | python-pip | 20.0.2-5ubuntu1.7 | 1 |
| bootc/ | f1383295e7be | urllib3 | 1.26.5 | 1 |
| browserless/ | c81ae5585b47 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| camptocamp/ | 35c91d5fda04 | urllib3 | 1.26.5 | 1 |
| chetangautamm/ | e7f7049e1544 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| cleveritcz/ | c75c1636e0b7 | urllib3 | 1.26.5 | 1 |
| cloudve/ | af56e77ca587 | urllib3 | 1.26.5 | 1 |
| cloudve/ | d79c1c5881c0 | urllib3 | 1.26.5 | 1 |
| codaprotocol/ | 37c68e67a401 | urllib3 | 1.26.5 | 1 |
| codaprotocol/ | 4ba4dd3a041f | urllib3 | 1.26.5 | 1 |
| confluentinc/ | f2975d507a2a | urllib3 | 1.26.5 | 1 |
| confluentinc/ | 8f1544df1f48 | urllib3 | 1.26.5 | 1 |
| confluentinc/ | 4bc70a83ca6f | urllib3 | 1.26.5 | 1 |
| confluentinc/ | b0b7aa26254a | urllib3 | 1.26.5 | 1 |
| confluentinc/ | ee403d5b9090 | urllib3 | 1.26.5 | 1 |
| confluentinc/ | b651d4b6185a | urllib3 | 1.26.5 | 1 |
| confluentinc/ | 78c190f4472c | urllib3 | 1.26.5 | 1 |
| countly/ | e3c238248f99 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.2 1.26.5 | 1 |
| craigwillis/ | ae317d7e4724 | urllib3 | 1.26.5 | 1 |