CVE-2021-43797
MediumAdvisory
Published 9 Dec 2021In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.5
- base score, highest
- EPSS
- 0.027
- 85th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 178
- of 17,781 indexed, latest versions
- Container images
- 192
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
HTTP request smuggling in netty
Carried by container images the latest versions of 178 of 17,781 indexed charts deploy, on 192 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| netty-codec-httpmaven | 4.0.27.Final, 4.0.52.Final, 4.1.12.Final, 4.1.13.Final+31 more | 4.1.71.Final | 146 |
| nettymaven | 3.2.10.Final, 3.6.1.Final, 3.6.2.Final, 3.6.6.Final+6 more | no fix listed | 66 |
- OSV records
- GHSA-wx5j-54mm-rqqq
Charts affected
178 by stars
Container images carrying it
192 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| apachepulsar/ | 4db6ff0b4045 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| apachepulsar/ | d056c89b7131 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| apachepulsar/ | d538416d5afe | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| apache/ | e2be712fc4f4 | netty-codec-http | 4.1.71.Final | 1 |
| apache/ | 1bd5756f6273 | netty-codec-http | 4.1.71.Final | 1 |
| apache/ | 641237e0299b | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| apache/ | b4ec8c18d079 | netty-codec-http | 4.1.71.Final | 1 |
| apache/ | 67d50e4deff4 | netty-codec-http | 4.1.71.Final | 1 |
| apache/ | 80530f0308a5 | netty-codec-http | 4.1.71.Final | 1 |
| apicurio/ | 44eeddd3562c | netty-codec-http | 4.1.71.Final | 1 |
| apicurio/ | a97d67487532 | netty-codec-http | 4.1.71.Final | 1 |
| arturisimo/ | fff9de644941 | netty-codec-http | 4.1.71.Final | 1 |
| assistiot/ | db9361dad79b | netty | no fix listed | 1 |
| assistiot/ | ba1d85ec3739 | netty-codec-http | 4.1.71.Final | 1 |
| assistiot/ | 4228b7a8ef40 | netty-codec-http | 4.1.71.Final | 1 |
| assistiot/ | ea254b6d8a31 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| atlassian/ | 3b9222ab32ef | netty-codec-http | 4.1.71.Final | 1 |
| atomix/ | 7738ff4f5c63 | netty-codec-http | 4.1.71.Final | 1 |
| bivas/ | 05545994f806 | netty | no fix listed | 1 |
| budibase/ | d90f656261c9 | netty | no fix listed | 1 |
| choerodon/ | 3c94c97f6f69 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| confluentinc/ | f2975d507a2a | netty-codec-http | 4.1.71.Final | 1 |
| confluentinc/ | 8f1544df1f48 | netty-codec-http | 4.1.71.Final | 1 |
| confluentinc/ | c87b1c07fb53 | netty | no fix listed | 1 |
| confluentinc/ | 4bc70a83ca6f | netty-codec-http | 4.1.71.Final | 1 |
| confluentinc/ | b0b7aa26254a | netty-codec-http | 4.1.71.Final | 1 |
| confluentinc/ | ee403d5b9090 | netty-codec-http | 4.1.71.Final | 1 |
| confluentinc/ | b651d4b6185a | netty-codec-http | 4.1.71.Final | 1 |
| datappeal/ | e38c085a3567 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| davidvmar/ | 0d221e834a21 | netty-codec-http | 4.1.71.Final | 1 |
| dbanda/ | 0ca125e68e53 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| dbanda/ | d0e6367876ae | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| deltaio/ | 8b75118187c5 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| dremio/ | 80ed2e3b7c43 | netty netty-codec-http | no fix listed 4.1.71.Final | 1 |
| duck1123/ | 9568c5961d5d | netty | no fix listed | 1 |
| egdsandaru/ | 681baa1926f4 | netty | no fix listed | 1 |
| elastictranscoder/ | 26208b8c2359 | netty-codec-http | 4.1.71.Final | 1 |
| emeraldpay/ | 126f0ae0b388 | netty-codec-http | 4.1.71.Final | 1 |
| emeraldpay/ | ac2a4bc66ab6 | netty-codec-http | 4.1.71.Final | 1 |
| empathyco/ | 03e724e41eeb | netty-codec-http | 4.1.71.Final | 1 |
| expediagroup/ | 4f2cf61e7de9 | netty-codec-http | 4.1.71.Final | 1 |
| fimperato/ | 604012b77841 | netty | no fix listed | 1 |
| fjvela/ | 70cebf67bd66 | netty-codec-http | 4.1.71.Final | 1 |
| folioci/ | 6d67e9564270 | netty-codec-http | 4.1.71.Final | 1 |
| folioci/ | 6d53ed758fd1 | netty-codec-http | 4.1.71.Final | 1 |
| folioci/ | 1b57d690d568 | netty-codec-http | 4.1.71.Final | 1 |
| fonoster/ | 2ca65af17cbc | netty-codec-http | 4.1.71.Final | 1 |
| franrobles8/ | 99985392d63c | netty-codec-http | 4.1.71.Final | 1 |
| gchq/ | c460bb587d6d | netty | no fix listed | 1 |
| geoservercloud/ | ca58b74529cd | netty-codec-http | 4.1.71.Final | 1 |