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 |
|---|---|---|---|---|
| linuxserver/ | 241009026e6f | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| linuxserver/ | a5e43a05ae79 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| linuxserver/ | 9a997426d71e | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| linuxserver/ | 2785a6ad64d3 | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| lis314/ | aa2089c37920 | krb5 | 1.20.1-2+deb12u5 | 1 |
| livekit/ | 1ab01641b366 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| localstack/ | 9d278167f2b7 | krb5 | 1.20.1-2+deb12u5 | 1 |
| locustio/ | 51d866285170 | krb5 | 1.20.1-2+deb12u5 | 1 |
| logiqai/ | 65b996bc7bdc | krb5 | 1.20.1-2+deb12u5 | 1 |
| louislam/ | 059b49d64739 | krb5 | 1.20.1-2+deb12u5 | 1 |
| louislam/ | 4c364ef96aad | krb5 | 1.20.1-2+deb12u5 | 1 |
| louislam/ | 9865163f92c1 | krb5 | 1.20.1-2+deb12u5 | 1 |
| luligu/ | 8f97884bebc2 | krb5 | 1.20.1-2+deb12u5 | 1 |
| makersquad/ | a40dd258c527 | krb5 | 1.20.1-2+deb12u5 | 1 |
| martinhelmich/ | c83a4f3fd7ae | krb5 | 1.20.1-2+deb12u5 | 1 |
| matrixdotorg/ | c3c4a9de2a0b | krb5 | 1.20.1-2+deb12u5 | 1 |
| matterlabs/ | 5dadc06bdf3b | krb5 | 1.20.1-2+deb12u5 | 1 |
| matterlabs/ | 6cbfea4c694a | krb5 | 1.20.1-2+deb12u5 | 1 |
| mawad98/ | 99422c56a274 | krb5 | 1.21.3-5+deb13u1 | 1 |
| mbround18/ | 70bd4da591cd | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| mediagis/ | 7923a8e67197 | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| mediagis/ | d0eae7b51374 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| merlos/ | a38fc7e09ed7 | krb5 | 1.20.1-2+deb12u5 | 1 |
| middlewareeng/ | 747d880812f1 | krb5 | 1.20.1-2+deb12u5 | 1 |
| milvusdb/ | fededb2f2d63 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| mindsdb/ | 163011c09299 | krb5 | 1.21.3-5+deb13u1 | 1 |
| mintproject/ | 02260d20a21f | krb5 | 1.20.1-2+deb12u5 | 1 |
| mlikiowa/ | 1336a777f9a4 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| moreillon/ | d7d4a5463525 | krb5 | 1.20.1-2+deb12u5 | 1 |
| moreillon/ | e418cc694bd5 | krb5 | 1.20.1-2+deb12u5 | 1 |
| moreillon/ | e8fd856e593d | krb5 | 1.20.1-2+deb12u5 | 1 |
| moreillon/ | 3caa8f710ee0 | krb5 | 1.20.1-2+deb12u5 | 1 |
| moreillon/ | 5f0a38498271 | krb5 | 1.21.3-5+deb13u1 | 1 |
| moreillon/ | 6597e6b98d21 | krb5 | 1.20.1-2+deb12u5 | 1 |
| moreillon/ | d2ee0423b797 | krb5 | 1.20.1-2+deb12u5 | 1 |
| muhammedgamal/ | 74b4cd69b6fa | krb5 | 1.20.1-2+deb12u5 | 1 |
| murtazashah46/ | 4d11726cf803 | krb5 | 1.20.1-2+deb12u5 | 1 |
| nelssec/ | 5e471f0cdeaa | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| netboxcommunity/ | 3d652dca5351 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| nethermind/ | 15517708c3b6 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| networkboot/ | e99bbfbd6fb2 | krb5 | 1.19.2-2ubuntu0.8 | 1 |
| networktocode/ | ed484336b1ad | krb5 | 1.21.3-5+deb13u1 | 1 |
| newrelic/ | 1a448492b55a | krb5 | 1.21.3-5+deb13u1 | 1 |
| nginxinc/ | c5b989ebc150 | krb5 | 1.21.3-5+deb13u1 | 1 |
| nirmalnaveen/ | 8541a39162f3 | krb5 | 1.20.1-2+deb12u5 | 1 |
| obolnetwork/ | cb7e97d39d46 | krb5 | 1.20.1-6ubuntu2.7 | 1 |
| offchainlabs/ | 9f779fa84b7b | krb5 | 1.20.1-2+deb12u5 | 1 |
| offchainlabs/ | e95865866129 | krb5 | 1.20.1-2+deb12u5 | 1 |
| oled01/ | 05d3e398e675 | krb5 | 1.20.1-2+deb12u5 | 1 |
| oled01/ | 6302fd2b5333 | krb5 | 1.19.2-2ubuntu0.8 | 1 |