CVE-2021-3520
CriticalAdvisory
Published 30 Apr 2021In the index since 5 Sept 2026
- Severity
- Critical
- worst across findings
- CVSS
- 9.8
- base score, highest
- EPSS
- 0.032
- 87th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 753
- of 17,787 indexed, latest versions
- Container images
- 555
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
Red Hat Security Advisory: lz4 security update
Carried by container images the latest versions of 753 of 17,787 indexed charts deploy, on 555 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| lz4deb | 0.0~r131-2+b1, 0.0~r131-2ubuntu2, 0.0~r131-2ubuntu3, 1.8.3-1+1 more | 0.0~r131-2+deb9u1, 0.0~r131-2ubuntu2+esm1, 0.0~r131-2ubuntu3.1, 1.8.3-1+deb10u1+1 more | 511 |
| lz4apk | 1.9.2-r0, 1.9.3-r0 | 1.9.2-r1, 1.9.3-r1 | 5 |
| lz4rpm | 1.8.0-3.5.1, 1.8.0-lp151.3.3.1, 1.8.1.2-4.el8, 1.8.3-2.el8 | 0:1.8.3-3.el8_4, 1.8.0-3.8.1, 1.9.3-2.1 | 39 |
- OSV records
- ALPINE-CVE-2021-3520UBUNTU-CVE-2021-3520RHSA-2021:2575DLA-2657-1DSA-4919-1openSUSE-SU-2024:11562-1SUSE-SU-2021:1647-1
- Also known as
- USN-4968-1, USN-4968-2
Charts affected
753 by stars
Container images carrying it
555 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| dstacademy/ | 46487aa079b0 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| duplicati/ | 8660f0eda7c9 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| dysnix/ | 19951e3e7a32 | lz4 | 1.8.3-1+deb10u1 | 1 |
| eaudeweb/ | b8ad9b7e19bb | lz4 | 1.8.3-1+deb10u1 | 1 |
| egdsandaru/ | 681baa1926f4 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| elastictranscoder/ | 963ab3858c6b | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| elastictranscoder/ | 26208b8c2359 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| elastictranscoder/ | b4a0327029e6 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| elastictranscoder/ | 5b75d19e2733 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| engrmth/ | 6d8464e6f0e8 | lz4 | 1.9.2-2ubuntu0.20.04.1 | 1 |
| envoyproxy/ | e8b37c1d7578 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| erlangsolutions/ | ad603bcb0b03 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| erlio/ | dcdaf720107c | lz4 | 0.0~r131-2+deb9u1 | 1 |
| esphome/ | 3f51ec10e823 | lz4 | 1.8.3-1+deb10u1 | 1 |
| ethereumex/ | a7603aa8df4c | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| fiware/ | fe11f55a926d | lz4 | 0.0~r131-2+deb9u1 | 1 |
| fjvela/ | 70cebf67bd66 | lz4 | 1.8.3-1+deb10u1 | 1 |
| flagsmith/ | fd58556339a4 | lz4 | 1.8.3-1+deb10u1 | 1 |
| flagsmith/ | df02a29e8b0c | lz4 | 0.0~r131-2+deb9u1 | 1 |
| fluent/ | 0717111a3362 | lz4 | 1.8.3-1+deb10u1 | 1 |
| fluent/ | 17398121d3cc | lz4 | 0.0~r131-2+deb9u1 | 1 |
| fluent/ | 19a8f0662241 | lz4 | 1.8.3-1+deb10u1 | 1 |
| fluent/ | ce4885865850 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| fonoster/ | 2ca65af17cbc | lz4 | 1.8.3-1+deb10u1 | 1 |
| forchaladtest/ | 5909cf64ef53 | lz4 | 1.8.3-1+deb10u1 | 1 |
| foundationdb/ | 9ceb2f948c9f | lz4 | 1.8.3-1+deb10u1 | 1 |
| frankescobar/ | 8a4d7e9308de | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| frankescobar/ | cafa03b94dac | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| franrobles8/ | 99985392d63c | lz4 | 1.8.3-1+deb10u1 | 1 |
| frappe/ | 2095767a9e82 | lz4 | 1.8.3-1+deb10u1 | 1 |
| free5gmano/ | 36f806935519 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| geoscienceaustralia/ | f4039b45572a | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| gethue/ | 5702b2c37ff9 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| getsentry/ | 6ac37974fd2a | lz4 | 0.0~r131-2+deb9u1 | 1 |
| gollumorg/ | 7cd5305a3cf7 | lz4 | 1.8.3-1+deb10u1 | 1 |
| gopinatht/ | 632cb2e9c399 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| gotson/ | 9b15ea6bfc30 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| grafana/ | 104f434d47c8 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| grafana/ | 9e7fe9c7903a | lz4 | 0.0~r131-2+deb9u1 | 1 |
| grafana/ | a6b37f9afdd9 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| grafana/ | b5591419cfa3 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| grafana/ | 5fd12edcc694 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| graphiteapp/ | 04a0037cc2ae | lz4 | 1.9.2-r1 | 1 |
| guacamole/ | 333a7f40c145 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| guacamole/ | 739cb6820ae8 | lz4 | 1.8.3-1+deb10u1 | 1 |
| guacamole/ | 2288530a4d1c | lz4 | 1.8.3-1+deb10u1 | 1 |
| guacamole/ | 49d43948140f | lz4 | 1.8.3-1+deb10u1 | 1 |
| halkeye/ | 53eb2b3cd4cb | lz4 | 0.0~r131-2+deb9u1 | 1 |
| halkeye/ | 1ddae9d0f1c7 | lz4 | 1.8.3-1+deb10u1 | 1 |
| halkeye/ | 3c734dde4052 | lz4 | 1.8.3-1+deb10u1 | 1 |