CVE-2023-28756
HighAdvisory
Published 31 Mar 2023In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.025
- 83rd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 13
- of 17,781 indexed, latest versions
- Container images
- 16
- deployed by those charts
- Fix available
- 4 of 5
- affected packages
Ruby Time component ReDoS issue
Carried by container images the latest versions of 13 of 17,781 indexed charts deploy, on 16 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| timegem | 0.1.0, 0.2.0 | 0.1.1, 0.2.2 | 7 |
| ruby2.7deb | 2.7.0-5ubuntu1.4, 2.7.0-5ubuntu1.5, 2.7.0-5ubuntu1.8 | 2.7.0-5ubuntu1.11 | 6 |
| ruby2.3deb | 2.3.1-2~16.04.5 | 2.3.1-2~ubuntu16.04.16+esm7 | 2 |
| rubybitnami | 2.7.4-1 | 2.7.8 | 1 |
| ruby3.1deb | 3.1.2-7+deb12u1 | no fix listed | 1 |
- OSV records
- GHSA-fg7x-g82r-94qcBIT-ruby-2023-28756DEBIAN-CVE-2023-28756UBUNTU-CVE-2023-28756
- Also known as
- BIT-ruby-min-2023-28756, USN-6055-1, USN-6087-1
Charts affected
13 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| puppetserverpuppetserver | 9.5.2 | 1 of 5See more | 14,184 |
| opennebulakvaps | 2.1.1 | 5 of 9See more | 113,791 |
| puppetservercamptocamp3 | 1.0.1 | 1 of 2See more | 5,886 |
| yelbfairwinds-incubator | 0.1.1 | 1 of 5See more | 5,089 |
| icinga2geek-cookbookVerified publisher | 4.2.0 | 1 of 1See more | 9,077 |
| docker-registry-browsergtaylor | 0.4.4 | 1 of 1See more | 3,564 |
| fluentd-elasticsearchkfirfer | 13.9.1 | 1 of 1See more | 1,178 |
| danboorumy0nVerified publisher | 0.0.2 | 1 of 1See more | 12,791 |
| danbooru-stackmy0nVerified publisher | 0.0.3 | 1 of 4See more | 12,791 |
| comacopencord | 1.0.0 | 1 of 9See more | 88,546 |
| onos-progranopencord | 1.2.7 | 1 of 2See more | 38,865 |
| mastodonrivals-spaceVerified publisher | 3.1.2 | 1 of 3See more | 6,026 |
| kongwallarmVerified publisher | 4.6.3 | 1 of 7See more | 11,405 |
Container images carrying it
16 by charts deploying them
A fixed version is listed for 4 of the 5 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | 5f545698e907 | time | 0.2.2 | 2 |
| jordan/ | f75025fe8ea8 | time ruby3.1 | 0.2.2 no fix listed | 1 |
| klausmeyer/ | bdc4c6b8595b | time | 0.1.1 | 1 |
| muluder/ | 43b597a93da7 | ruby2.3 | 2.3.1-2~ubuntu16.04.16+esm7 | 1 |
| omecproject/ | 5715e5648aa0 | ruby2.3 | 2.3.1-2~ubuntu16.04.16+esm7 | 1 |
| wallarm/ | ea9608c82e40 | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | e28e0e7de11b | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | 01563adc95fd | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | 2b92df1143b9 | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | 600221f0f43f | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | a85e03d8bc1d | ruby2.7 | 2.7.0-5ubuntu1.11 | 1 |
| ghcr.io/ | 43b23d55e4be | time | 0.1.1 | 1 |
| ghcr.io/ | 916746209ac5 | time | 0.1.1 | 1 |
| ghcr.io/ | 63873f3f698e | time | 0.1.1 | 1 |
| quay.io/ | fae21f06131f | ruby | 2.7.8 | 1 |
| quay.io/ | 99079df58561 | time | 0.2.2 | 1 |