Bug 2546031 (CVE-2026-93322)

Summary: CVE-2026-93322 github.com/moby/buildkit: BuildKit: Denial of Service via crafted LLB definition
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in BuildKit. This vulnerability can lead to a Denial of Service (DoS) when a malicious build frontend submits a specially crafted low-level builder (LLB) definition. Processing this definition causes the build daemon to panic and terminate unexpectedly, interrupting all active build operations running on the daemon.
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Description OSIDB Bzimport 2026-10-05 18:04:45 UTC
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.