CVE-2026-40356
HighAdvisory
Published 28 Apr 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.006
- 47th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 939
- of 17,787 indexed, latest versions
- Container images
- 1,000
- deployed by those charts
- Fix available
- 2 of 2
- affected packages
Red Hat Security Advisory: krb5 security update
Carried by container images the latest versions of 939 of 17,787 indexed charts deploy, on 1,000 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| krb5deb | 1.19.2-2, 1.19.2-2ubuntu0.1, 1.19.2-2ubuntu0.2, 1.19.2-2ubuntu0.3+20 more | 1.19.2-2ubuntu0.8, 1.20.1-2+deb12u5, 1.20.1-6ubuntu2.7, 1.21.3-5+deb13u1+2 more | 970 |
| krb5rpm | 1.20.1-8.el9, 1.20.1-9.el9_2, 1.21.1-1.el9, 1.21.1-2.el9_4+2 more | 0:1.20.1-9.el9_2.6, 0:1.21.1-2.el9_4.5, 0:1.21.1-8.el9_6.2 | 30 |
- OSV records
- DEBIAN-CVE-2026-40356RHSA-2026:24683RHSA-2026:24685RHSA-2026:24686UBUNTU-CVE-2026-40356ECHO-874c-29e0-d62b
- Also known as
- USN-8585-1
Charts affected
939 by stars
Container images carrying it
1,000 by charts deploying them
A fixed version is listed for 2 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| drpcorg/ | 8858fae1859d | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| drumsergio/ | 28244054e1bf | krb5 | 1.20.1-2+deb12u5 | 1 |
| dserio83/ | 6b3d9115fee2 | krb5 | 1.20.1-2+deb12u5 | 1 |
| dserio83/ | d5deae589229 | krb5 | 1.20.1-2+deb12u5 | 1 |
| duck1123/ | 0e29f19fa67c | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| duck1123/ | 9d6fb247b714 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| dzikoysk/ | 4128c2d7a6ba | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| eclipseaerios/ | e7f5ba0bc64d | krb5 | 1.21.3-5+deb13u1 | 1 |
| eclipseaerios/ | 34b72f45b46a | krb5 | 1.21.3-5+deb13u1 | 1 |
| eginnovations/ | e4dfe242fe9f | krb5 | no fix listed | 1 |
| emqx/ | e33e9816f147 | krb5 | 1.20.1-2+deb12u5 | 1 |
| emqx/ | 35b46f7aa7a0 | krb5 | 1.21.3-5+deb13u1 | 1 |
| envoyproxy/ | 2956bd9de830 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| envoyproxy/ | 56da5afd7df3 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| envoyproxy/ | caa5b411be16 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| envoyproxy/ | cfc0678bc03c | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| envoyproxy/ | e596fda6a0ce | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| erlangsolutions/ | cc5bf032931f | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| escaping/ | 87fa79255962 | krb5 | 1.21.3-5+deb13u1 | 1 |
| esphome/ | 9ab8cc88b28c | krb5 | 1.20.1-2+deb12u5 | 1 |
| esphome/ | b2c6322700ac | krb5 | 1.20.1-2+deb12u5 | 1 |
| esphome/ | def8b6e4f517 | krb5 | 1.20.1-2+deb12u5 | 1 |
| factoriotools/ | f7909f7361d6 | krb5 | 1.21.3-5+deb13u1 | 1 |
| falcosecurity/ | 932956d86c99 | krb5 | 1.20.1-2+deb12u5 | 1 |
| felipecs8/ | 29e06c9c6385 | krb5 | 1.20.1-2+deb12u5 | 1 |
| firefart/ | 0d6249906d8c | krb5 | 1.20.1-2+deb12u5 | 1 |
| fiware/ | d551a13e8278 | krb5 | 1.20.1-2+deb12u5 | 1 |
| flanksource/ | 1dacc3195bf9 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| flanksource/ | 689687a7cf95 | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| flashcatcloud/ | 42e6ab16472e | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| fluent/ | ca08b7d2df5b | krb5 | 1.20.1-2+deb12u5 | 1 |
| fluent/ | e76397ef3983 | krb5 | 1.20.1-2+deb12u5 | 1 |
| fnzv/ | b3079b95c336 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| frankescobar/ | dc171ec796d5 | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| freedom98/ | d7ce1533f297 | krb5 | 1.20.1-2+deb12u5 | 1 |
| freeradius/ | af6fd34a5b78 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| galaxy/ | e50a890e24c9 | krb5 | 1.20.1-2+deb12u5 | 1 |
| gchq/ | c460bb587d6d | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| geonode/ | 81b1d431b7e9 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| geopython/ | 84662ea6b78b | krb5 | 1.20.1-2+deb12u5 | 1 |
| gethue/ | 7d5c1b9f8a79 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| getsentry/ | ba7bf9163219 | krb5 | 1.20.1-2+deb12u5 | 1 |
| glasskube/ | be5133100d63 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| gobitfly/ | 1d08a7986348 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| gotenberg/ | 206a6c708fc6 | krb5 | 1.21.3-5+deb13u1 | 1 |
| gradiant/ | 332031245fce | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| grafana/ | 09d8c3ce4f3a | krb5 | 0:1.21.1-8.el9_6.2 | 1 |
| graphprotocol/ | f4452cdedd68 | krb5 | 1.20.1-2+deb12u5 | 1 |
| graylog/ | 19de1aff48c2 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| grpl/ | c00aafee6629 | krb5 | 1.20.1-6ubuntu2.7 | 1 |