CVE-2021-29509
HighAdvisory
Published 18 May 2021In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.016
- 74th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5
- of 17,781 indexed, latest versions
- Container images
- 5
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Puma's Keepalive Connections Causing Denial Of Service
Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 5 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| pumagem | 3.11.4, 3.12.0, 3.12.1, 3.12.6+1 more | 4.3.8, 5.3.1 | 5 |
- OSV records
- GHSA-q28m-8xjw-8vr5
Charts affected
5 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| pact-brokeralmorgvVerified publisher | 0.1.0 | 1 of 1See more | 4,995 |
| docker-registry-browsergmelilloVerified publisher | 0.1.2 | 1 of 1See more | 4,108 |
| honeywell-exporterbryanalves | 0.1.1 | 1 of 1See more | 5,437 |
| smart-exporterbryanalves | 0.2.2 | 1 of 1See more | 4,131 |
| pact-brokerqamatic | 0.1.0 | 1 of 2See more | 3,533 |
Container images carrying it
5 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| bryanalves/ | 95f73dce8b21 | puma | 4.3.8 | 1 |
| bryanalves/ | af47dfbb9413 | puma | 4.3.8 | 1 |
| klausmeyer/ | 430a440d95af | puma | 5.3.1 | 1 |
| pactfoundation/ | 062d6c710099 | puma | 4.3.8 | 1 |
| pactfoundation/ | 12861b0bd4d9 | puma | 4.3.8 | 1 |