Allocation of Resources Without Limits or Throttling Affecting github.com/moby/buildkit/solver/llbsolver/ops package, versions <0.31.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Allocation of Resources Without Limits or Throttling vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMOBYBUILDKITSOLVERLLBSOLVEROPS-19005956
- published20 Aug 2026
- disclosed19 Aug 2026
Introduced: 19 Aug 2026
NewCVE-2026-61712 Â (opens in a new tab)How to fix?
Upgrade github.com/moby/buildkit/solver/llbsolver/ops to version 0.31.1 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to unbounded group parsing in the user and group file handling code in executor/oci/user.go and solver/llbsolver/ops/user_linux.go. An attacker can exhaust memory and trigger an OOM kill of buildkitd by supplying a malicious image or build that forces container creation to resolve usernames against oversized /etc/passwd or /etc/group files. The vulnerable path reads those files without an upper bound during UID/GID lookup and user resolution, so a crafted filesystem payload can make the build daemon consume excessive memory and stop processing builds.