{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61712", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T18:51:13.920Z", "datePublished": "2026-08-19T20:01:18.074Z", "dateUpdated": "2026-08-19T20:01:18.074Z"}, "containers": {"cna": {"title": "BuildKit: Possible runtime DoS via unbounded group parsing", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/moby/buildkit/security/advisories/GHSA-72x6-4j93-7w86", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/moby/buildkit/security/advisories/GHSA-72x6-4j93-7w86"}, {"name": "https://github.com/moby/buildkit/commit/408266e4ba254cecabedaacdad6905de4d2a75a1", "tags": ["x_refsource_MISC"], "url": "https://github.com/moby/buildkit/commit/408266e4ba254cecabedaacdad6905de4d2a75a1"}, {"name": "https://github.com/moby/buildkit/commit/69a3924648e485acb3faad3081e03a8554431255", "tags": ["x_refsource_MISC"], "url": "https://github.com/moby/buildkit/commit/69a3924648e485acb3faad3081e03a8554431255"}, {"name": "https://github.com/moby/buildkit/releases/tag/v0.31.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/moby/buildkit/releases/tag/v0.31.1"}], "affected": [{"vendor": "moby", "product": "buildkit", "versions": [{"version": "< 0.31.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-19T20:01:18.074Z"}, "descriptions": [{"lang": "en", "value": "BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.1, BuildKit read attacker-controlled /etc/passwd and /etc/group files without an upper bound while resolving a username to a user identifier or group identifier in executor/oci/user.go and solver/llbsolver/ops/user_linux.go. A malicious base image or build could provide oversized files that exhausted memory during user resolution and caused out-of-memory termination of the buildkitd process. This issue is fixed in version 0.31.1."}], "source": {"advisory": "GHSA-72x6-4j93-7w86", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "buildkit", "vendor": "moby", "versions": [{"status": "affected", "version": "< 0.31.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.1, BuildKit read attacker-controlled /etc/passwd and /etc/group files without an upper bound while resolving a username to a user identifier or group identifier in executor/oci/user.go and solver/llbsolver/ops/user_linux.go. A malicious base image or build could provide oversized files that exhausted memory during user resolution and caused out-of-memory termination of the buildkitd process. This issue is fixed in version 0.31.1."}], "id": "CVE-2026-61712", "lastModified": "2026-08-19T20:17:19.730", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-19T20:17:19.730", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/moby/buildkit/commit/408266e4ba254cecabedaacdad6905de4d2a75a1"}, {"source": "security-advisories@github.com", "url": "https://github.com/moby/buildkit/commit/69a3924648e485acb3faad3081e03a8554431255"}, {"source": "security-advisories@github.com", "url": "https://github.com/moby/buildkit/releases/tag/v0.31.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/moby/buildkit/security/advisories/GHSA-72x6-4j93-7w86"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.31.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "buildkit", "source": "cna", "vendor": "moby"}, "product": "buildkit", "vendor": "moby"}], "created": "2026-08-19T22:30:04.956335+00:00", "updated": "2026-08-19T22:30:04.956354+00:00", "vendors": ["moby", "moby$PRODUCT$buildkit"]}