Allocation of Resources Without Limits or Throttling Affecting guac package, versions <1.1.0-r28
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.
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- published22 Aug 2026
- disclosed19 Aug 2026
Introduced: 19 Aug 2026
NewCVE-2026-61712 (opens in a new tab)How to fix?
Upgrade Wolfi guac to version 1.1.0-r28 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream guac package and not the guac package as distributed by Wolfi.
See How to fix? for Wolfi relevant fixed versions and status.
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.