{"id":"CVE-2022-36055","aliases":["GHSA-7hfp-qfw3-5jxh","BIT-helm-2022-36055","GO-2022-0962"],"title":"Helm Vulnerable to denial of service through string value parsing","summary":"Helm Vulnerable to denial of service through string value parsing","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"helm","product":"helm.sh/helm/v3","ecosystem":"go","affected":["helm.sh/helm/v3 < 3.9.4"],"patched":["helm.sh/helm/v3 3.9.4"],"published":"2022-08-30","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:49:42.554581963Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-7hfp-qfw3-5jxh","references":[{"url":"https://github.com/helm/helm/security/advisories/GHSA-7hfp-qfw3-5jxh"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36055"},{"url":"https://github.com/helm/helm/commit/10466e3e179cc8cad4b0bb451108d3c442c69fbc"},{"url":"https://github.com/helm/helm"},{"url":"https://github.com/helm/helm/releases/tag/v3.9.4"},{"url":"https://pkg.go.dev/vuln/GO-2022-0962"}],"tags":["osv","go"],"epss":0.01047,"epssPercentile":0.62731,"ingestedAt":"2026-09-12T03:13:01.764Z","slug":"CVE-2022-36055","body":"## Overview\n\nFuzz testing, by Ada Logics and sponsored by the CNCF, identified input to functions in the `_strvals_` package that can cause an out of memory panic. Out of memory panics cannot be recovered from. Applications that use functions from the `_strvals_` package in the Helm SDK can have a Denial of Service attack when they use this package and it panics.\n\n### Impact\n\nThe `_strvals_` package contains a parser that turns strings into Go structures. For example, the Helm client has command line flags like `--set`, `--set-string`, and others that enable the user to pass in strings that are merged into the values. The `_strvals_` package converts these strings into structures Go can work with. Some string inputs can cause array data structures to be created causing an out of memory panic.\n\nApplications that use the `_strvals_` package in the Helm SDK to parse user supplied input can suffer a Denial of Service when that input causes a panic that cannot be recovered from.\n\nThe Helm Client will panic with input to `--set`, `--set-string`, and other value setting flags that causes an out of memory panic. Helm is not a long running service so the panic will not affect future uses of the Helm client.\n\n### Patches\n\nThis issue has been resolved in 3.9.4. \n\n### Workarounds\n\nSDK users can validate strings supplied by users won't create large arrays causing significant memory usage before passing them to the `_strvals_` functions.\n\n### For more information\n\nHelm's security policy is spelled out in detail in our [SECURITY](https://github.com/helm/community/blob/master/SECURITY.md) document.\n\n### Credits\n\nDisclosed by Ada Logics in a fuzzing audit sponsored by CNCF.\n\n## Affected packages\n\n- `helm.sh/helm/v3 < 3.9.4`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `helm.sh/helm/v3 3.9.4`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}