Description
A malicious BuildKit client or frontend could craft a request that could lead to BuildKit daemon crashing with a panic.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| moby | BuildKit | < 0.31.2 | 0.31.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | docker.io +1 | No fix yet | — |
| Ubuntu 26.04 LTS | docker.io +1 | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | docker.io +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | docker.io +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | docker.io +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | docker.io | No fix yet | — |
| Ubuntu Pro 16.04 LTS | docker.io | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | buildah +1 | 1.44.0-3.2.hum1 | RHSA-2026:43122 |
| Red Hat Hardened Images 1 | podman +5 | 6.0.2-2.1.hum1 | RHSA-2026:44152 |
| Red Hat Hardened Images 1 | trivy | 0.72.0-0.1.2.hum1 | RHSA-2026:46988 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | runfinch-finch | 1.19.0-1.amzn2023.0.1 | ALAS2023-2026-3140 |
Advisories 4
- RHSA-2026:46988 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:44152 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:43122 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- ALAS2023-2026-3140 Important: runfinch-finch security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 28, 2026