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CVE PROGRAM SOURCE RECORD6.8 Medium

CVE-2026-93323

Oversized Dockerfile or .dockerignore can exhaust buildkitd memory

Description

The Dockerfile frontend loaded the Dockerfile and .dockerignore files of a build context into memory without a size limit. A build context containing an oversized file could make buildkitd allocate memory proportional to that file, potentially exhausting memory and terminating the daemon, which interrupts other builds on the same instance. Fixed by rejecting such files above 16 MiB.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

moby BuildKit

Default version status: unaffected

  • 0 to ≤ 0.33.0affected

References