CVE-2026-121522
Public on 2026-11-03
Modified on 2026-11-07
Description
In BuildKit versions v0.26.0 through v0.34.1, a specific build definition that resolves metadata for the same Git source reference twice can cause the BuildKit daemon to panic and crash, interrupting builds handled by that daemon. The issue is fixed in v0.34.2.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | buildah | Not Affected | ||
| Amazon Linux 2027 Preview | buildah | Not Affected | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | docker | Not Affected | ||
| Amazon Linux 2 - Docker Extra | docker | Not Affected | ||
| Amazon Linux 2 - Ecs Extra | docker | Not Affected | ||
| Amazon Linux 2023 | docker | Not Affected | ||
| Amazon Linux 2027 Preview | docker | Pending Fix | ||
| Amazon Linux 2 - Core | nerdctl | Not Affected | ||
| Amazon Linux 2023 | nerdctl | Not Affected | ||
| Amazon Linux 2027 Preview | nerdctl | Not Affected | ||
| Amazon Linux 2 - Docker Extra | runfinch-finch | Pending Fix | ||
| Amazon Linux 2023 | runfinch-finch | Pending Fix | ||
| Amazon Linux 2027 Preview | runfinch-finch | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |