AIKIDO-2025-10784
github.com/hashicorp/consul-template is vulnerable to Denial of Service (DoS)
28
Low Risk
This Affects:
github.com/hashicorp/consul-templateTL;DR
Affected versions of this package are vulnerable to denial of service (DoS) due to a runtime panic in the ParseTemplateConfig function when handling malformed inputs like : or :::. The issue occurs because empty regex matches lead to out-of-range indexing. The fix adds proper handling for empty matches, returning a controlled error instead of panicking.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
github.com/hashicorp/consul-template is vulnerable to Denial of Service (DoS) in versions 0.18.0 - 0.41.2.
How to fix this
Upgrade the github.com/hashicorp/consul-template library to the patch version.
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