CVE-2021-3537
MediumAdvisory
Published 14 May 2021In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.9
- base score, highest
- EPSS
- 0.035
- 89th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 197
- of 17,781 indexed, latest versions
- Container images
- 183
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
Carried by container images the latest versions of 197 of 17,781 indexed charts deploy, on 183 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| libxml2apk | 2.9.9-r2, 2.9.9-r3, 2.9.9-r4, 2.9.10-r1+5 more | 2.9.9-r5, 2.9.10-r5, 2.9.10-r6, 2.9.10-r7 | 109 |
| libxml2deb | 2.9.1+dfsg1-3ubuntu4.3, 2.9.1+dfsg1-3ubuntu4.4, 2.9.1+dfsg1-3ubuntu4.12, 2.9.3+dfsg1-1ubuntu0.2+7 more | 2.9.1+dfsg1-3ubuntu4.13+esm2, 2.9.3+dfsg1-1ubuntu0.7+esm1, 2.9.4+dfsg1-6.1ubuntu1.4, 2.9.10+dfsg-5ubuntu0.20.04.1 | 60 |
| nokogirigem | 1.8.2, 1.10.8, 1.10.9, 1.10.10+1 more | 1.11.4 | 15 |
- OSV records
- ALPINE-CVE-2021-3537GHSA-286v-pcf5-25rcUBUNTU-CVE-2021-3537
- Also known as
- USN-4991-1
Charts affected
197 by stars
Container images carrying it
183 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| oomk8s/ | 875814cc853d | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 11 |
| dibi/ | fc2d92db8024 | libxml2 | 2.9.10-r6 | 7 |
| oomk8s/ | 7daa08b81954 | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 6 |
| hyperledger/ | 4ce6f43ded2e | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 4 |
| hyperledger/ | f6c724592abf | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 4 |
| buddy/ | 097c897f8b54 | libxml2 | 2.9.10-r5 | 3 |
| cankush625/ | 9479f73bab03 | libxml2 | 2.9.10-r5 | 3 |
| library/ | 93baf2ec1bfe | libxml2 | 2.9.10-r5 | 3 |
| nginxinc/ | 084242d8028c | libxml2 | 2.9.10-r7 | 3 |
| omecproject/ | d59ccb138ffb | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 3 |
| omecproject/ | 16c14327ce4a | libxml2 | 2.9.9-r5 | 3 |
| library/ | 07ab71a2c8e4 | libxml2 | 2.9.10-r7 | 2 |
| library/ | e27594243877 | libxml2 | 2.9.10-r6 | 2 |
| lightstep/ | 11c5569aaf3b | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 2 |
| ngick8stesting/ | 1e764eab77b4 | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.4 | 2 |
| omecproject/ | cfdb566dd949 | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 2 |
| sealife/ | f5cc2f0f4c9b | libxml2 | 2.9.10-r6 | 2 |
| wurstmeister/ | 7a7fd44a7210 | libxml2 | 2.9.1+dfsg1-3ubuntu4.13+esm2 | 2 |
| a10networks/ | 8dc58d434d71 | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.4 | 1 |
| acockburn/ | 3a93281d7e94 | libxml2 | 2.9.10-r7 | 1 |
| adferrand/ | 6fea97b02758 | libxml2 | 2.9.10-r6 | 1 |
| adwerx/ | 840d2b078682 | libxml2 | 2.9.10+dfsg-5ubuntu0.20.04.1 | 1 |
| ajanvier/ | 91ac61b88c85 | libxml2 | 2.9.10-r7 | 1 |
| binford2k/ | a64937052ce7 | nokogiri | 1.11.4 | 1 |
| blockstack/ | d64d7430289a | libxml2 | 2.9.10-r7 | 1 |
| brannondorsey/ | 42d01bbe307f | libxml2 | 2.9.10-r5 | 1 |
| bryanalves/ | 95f73dce8b21 | nokogiri | 1.11.4 | 1 |
| chetangautamm/ | e7f7049e1544 | libxml2 | 2.9.10+dfsg-5ubuntu0.20.04.1 | 1 |
| cheyang/ | 46cc34755493 | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm1 | 1 |
| cloudve/ | af56e77ca587 | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.4 | 1 |
| conduction/ | 9cfeeb6c7c20 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | c36094a41369 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | ece1ab544c57 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | 25415534d245 | libxml2 | 2.9.10-r5 | 1 |
| conduction/ | 3423845692c1 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | 2744565516e8 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | e1d4ad1e22a8 | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | b6f95c8ead7d | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | 8f177f9f8a7b | libxml2 | 2.9.10-r6 | 1 |
| conduction/ | 24f03c57568f | libxml2 | 2.9.10-r6 | 1 |
| denisshav/ | b97cc69fbac6 | libxml2 | 2.9.10-r7 | 1 |
| galaxy/ | 0267bad550e6 | libxml2 | 2.9.1+dfsg1-3ubuntu4.13+esm2 | 1 |
| galaxy/ | 8e577a626dfd | libxml2 | 2.9.1+dfsg1-3ubuntu4.13+esm2 | 1 |
| geoscienceaustralia/ | f4039b45572a | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.4 | 1 |
| gethue/ | 5702b2c37ff9 | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.4 | 1 |
| gitea/ | 85416d6f65fe | libxml2 | 2.9.10-r5 | 1 |
| gitea/ | d5ab14cd29af | libxml2 | 2.9.10-r6 | 1 |
| gmelillo/ | eeb2f9371b71 | libxml2 | 2.9.10-r6 | 1 |
| gmelillo/ | 1b30f79cf7ea | libxml2 | 2.9.10-r6 | 1 |
| golenski/ | 48cfd60b8413 | libxml2 | 2.9.10-r6 | 1 |