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
- 751
- of 17,781 indexed, latest versions
- Container images
- 553
- 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 751 of 17,781 indexed charts deploy, on 553 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 | 509 |
| 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
751 by stars
Container images carrying it
553 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| halkeye/ | 77b05e95fdb5 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| haveagitgat/ | 1e3f9328327d | lz4 | 1.9.2-2ubuntu0.20.04.1 | 1 |
| hjacobs/ | 45f93491c434 | lz4 | 1.8.3-1+deb10u1 | 1 |
| hjacobs/ | b44a9cf81a2f | lz4 | 1.8.3-1+deb10u1 | 1 |
| hon95/ | f4b2e5deb6a7 | lz4 | 1.8.3-1+deb10u1 | 1 |
| huginn/ | c794eddc7b47 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| hyperledger/ | c65891b6c237 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| hyperledger/ | 6ee1abcfd840 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| hyperledger/ | 6756c7c48234 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| i4trust/ | 3e77858e1219 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| ibmcom/ | c796a4c693b4 | lz4 | 0:1.8.3-3.el8_4 | 1 |
| ibmcom/ | 9c73804b37a3 | lz4 | 0:1.8.3-3.el8_4 | 1 |
| ibmcom/ | d28bf361327a | lz4 | 0:1.8.3-3.el8_4 | 1 |
| ibmcom/ | 9a766604a73b | lz4 | 0.0~r131-2+deb9u1 | 1 |
| ibmcom/ | 7e4dc1e27cdf | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| ibmcom/ | b5d8c6714dbc | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| ibmcom/ | e17bdccc5030 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| ibmcom/ | cd5065df7304 | lz4 | 0:1.8.3-3.el8_4 | 1 |
| ibmcom/ | 395e60cc6e3d | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| improwised/ | 97280b55cbd4 | lz4 | 1.8.3-1+deb10u1 | 1 |
| iofog/ | 7260cf861479 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| istio/ | 2b081e3c86dd | lz4 | 1.8.3-1+deb10u1 | 1 |
| istio/ | 6668bcf42ef0 | lz4 | 1.8.3-1+deb10u1 | 1 |
| istio/ | b6a6b88d3578 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| istio/ | 268ab879ea51 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| istio/ | 294ca55bd1cc | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| istio/ | c09319753454 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| istio/ | 0c78be035e98 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| istio/ | 88c6c693e67a | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| jacobalberty/ | c409924e2463 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| jenkinsci/ | a1f33f004659 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| jmferrer/ | 030f68ec6998 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| julb/ | 782ef45279d5 | lz4 | 1.8.3-1+deb10u1 | 1 |
| jupyterhub/ | b6b4a1a34bf0 | lz4 | 1.9.2-2ubuntu0.20.04.1 | 1 |
| jupyterhub/ | e3e6f3051df8 | lz4 | 1.9.2-2ubuntu0.20.04.1 | 1 |
| k8scloudprovider/ | a30c7a2a594a | lz4 | 1.8.3-1+deb10u1 | 1 |
| karatejb/ | f11ac24b23b9 | lz4 | 1.8.3-1+deb10u1 | 1 |
| kennethreitz/ | 599fe5e50731 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| kiwigrid/ | 6eb52513d59e | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kiwigrid/ | 899ccd0b1f54 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kiwigrid/ | af151f677a63 | lz4 | 1.8.3-1+deb10u1 | 1 |
| kodalisri/ | 202268d66e1a | lz4 | 1.8.3-1+deb10u1 | 1 |
| koumoul/ | 7108d47be3b2 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kubeoperator/ | be8f0d624640 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| kubesphere/ | 108d022f64f0 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kubesphere/ | 378f49ec9c44 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kubesphere/ | f1b5bf878196 | lz4 | 0.0~r131-2+deb9u1 | 1 |
| kubesphere/ | 6d93129beb32 | lz4 | 0.0~r131-2ubuntu2+esm1 | 1 |
| kudobuilder/ | 69072d979708 | lz4 | 0.0~r131-2ubuntu3.1 | 1 |
| ladeit/ | 962b665ffe82 | lz4 | 1.8.3-1+deb10u1 | 1 |