{"id":"CVE-2022-23526","aliases":["AZL-11656","BIT-helm-2022-23526","EUVD-2022-7524","GHSA-67fx-wx78-jx33","GO-2022-1166","SUSE-SU-2022:4606-1","openSUSE-SU-2024:12572-1","openSUSE-SU-2025:15779-1"],"status":"published","title":"Helm contains Denial of service through schema file","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00888,"percentile":0.59635,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2022-12-14T21:39:06Z","modified":"2026-10-28T02:30:41Z","fixes":[{"ecosystem":"Go","package":"helm.sh/helm/v3","fixed_in":["3.10.3"],"sources":["ghsa","osv"]},{"ecosystem":"Azure Linux:2","package":"helm","fixed_in":["3.9.4-4"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"helm","fixed_in":["3.10.3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"helm.sh/helm/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.4-4"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"helm","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.10.3"}]}]},{"source":"osv","ecosystem":"Go","package":"helm.sh/helm/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.10.3"}]}]},{"source":"osv","ecosystem":"Go","package":"helm.sh/helm/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.10.3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Containers 15 SP4","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3-150000.1.13.1"}]}],"bundled":5},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP4","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3-150000.1.13.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3-150000.1.13.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 15.4","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3-150000.1.13.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"helm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.3-2.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"helm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.19.2-1.1"}]}],"bundled":20}],"products":[{"vendor":"helm","product":"helm"}],"references":[{"url":"https://github.com/helm/helm/security/advisories/GHSA-67fx-wx78-jx33","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/helm/helm/commit/bafafa8bb1b571b61d7a9528da8d40c307dade3d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23526","tags":["web","advisory"]},{"url":"https://pkg.go.dev/vuln/GO-2022-1166","tags":["web"]},{"url":"https://github.com/advisories/GHSA-67fx-wx78-jx33"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23526.json","tags":["advisory"]},{"url":"https://github.com/helm/helm","tags":["package"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224606-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1181419","tags":["report"]},{"url":"https://bugzilla.suse.com/1206467","tags":["report"]},{"url":"https://bugzilla.suse.com/1206469","tags":["report"]},{"url":"https://bugzilla.suse.com/1206471","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21272","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-1996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23524","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23526","tags":["web"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16873","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16874","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16875","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-36055","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-25165","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-25173","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-25620","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-26147","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45337","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45338","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22870","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22872","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47911","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-58190","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-23526","title":"Helm contains Denial of service through schema file","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2022-12-15T00:43:40.383Z","modified":"2025-04-18T15:58:33.758Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:29.842547Z"}],"euvd":[{"id":"EUVD-2022-7524","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2022-12-15T00:43:40Z","modified":"2025-04-18T15:58:33Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:19.650141Z"}],"ghsa":[{"id":"GHSA-67fx-wx78-jx33","title":"Helm vulnerable to denial of service through schema file","description":"Fuzz testing, by Ada Logics and sponsored by the CNCF, identified input to functions in the `_chartutil_` package that can cause a segmentation violation. Applications that use functions from the `_chartutil_` 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 `_chartutil_` package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The `_chartutil_` package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation.\n\nApplications that use the `_chartutil_` package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from.\n\nThe Helm Client will panic with a schema file that causes a memory violation 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 3.10.3. \n\n### Workarounds\n\nSDK users can validate schema files that are correctly formatted before passing them to the `_chartutil_` 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.","status":"published","published":"2022-12-14T21:39:06Z","modified":"2023-08-30T18:38:16Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:37:02.095916Z"}],"nvd":[{"id":"CVE-2022-23526","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2022-12-15T19:15:17.167Z","modified":"2026-06-17T04:30:18.02Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:33.649381Z"}],"osv":[{"id":"AZL-11656","title":"CVE-2022-23526 affecting package helm for versions less than 3.9.4-4","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2022-12-15T19:15:17Z","modified":"2026-04-21T04:22:22.01474Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:02.666535Z"},{"id":"CVE-2022-23526","title":"Helm contains Denial of service through schema file","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2022-12-15T00:43:40.383Z","modified":"2026-10-28T02:30:41.080380446Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:24.061177Z"},{"id":"GHSA-67fx-wx78-jx33","title":"Helm vulnerable to denial of service through schema file","description":"Fuzz testing, by Ada Logics and sponsored by the CNCF, identified input to functions in the `_chartutil_` package that can cause a segmentation violation. Applications that use functions from the `_chartutil_` 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 `_chartutil_` package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The `_chartutil_` package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation.\n\nApplications that use the `_chartutil_` package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from.\n\nThe Helm Client will panic with a schema file that causes a memory violation 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 3.10.3. \n\n### Workarounds\n\nSDK users can validate schema files that are correctly formatted before passing them to the `_chartutil_` 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.","status":"published","published":"2022-12-14T21:39:06Z","modified":"2026-09-10T03:49:47.242658437Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:46:39.266402Z"},{"id":"BIT-helm-2022-23526","title":"Helm contains Denial of service through schema file","description":"Helm is a tool for managing Charts, pre-configured Kubernetes resources. Versions prior to 3.10.3 are subject to NULL Pointer Dereference in the_chartutil_ package that can cause a segmentation violation. The _chartutil_ package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The _chartutil_ package parses the schema file and loads it into structures Go can work with. Some schema files can cause array data structures to be created causing a memory violation. Applications that use the _chartutil_ package in the Helm SDK to parse a schema file can suffer a Denial of Service when that input causes a panic that cannot be recovered from. Helm is not a long running service so the panic will not affect future uses of the Helm client. This issue has been patched in 3.10.3. SDK users can validate schema files that are correctly formatted before passing them to the _chartutil_ functions.","status":"published","published":"2024-03-06T10:53:44.587Z","modified":"2026-09-08T08:48:23.096184598Z","updated_at":"2026-11-02T15:28:31.02759Z"},{"id":"GO-2022-1166","title":"Denial of service via schema file in helm.sh/helm/v3","description":"Certain JSON schema validation files can cause a Helm Client to panic, leading to a possible denial of service.\n\nThe chartutil package contains a parser that loads a JSON Schema validation file. For example, the Helm client when rendering a chart will validate its values with the schema file. The chartutil package parses the schema file and loads it into memory, but some schema files can cause array data structures to be created causing a memory violation.\n\nThe Helm Client will panic with a schema file that causes a memory violation panic. Helm is not a long running service so the panic will not affect future uses of the Helm client.","status":"published","published":"2022-12-22T22:30:45Z","modified":"2026-02-04T04:39:30.992841Z","updated_at":"2026-11-02T15:47:00.918515Z"},{"id":"openSUSE-SU-2024:12572-1","title":"helm-3.10.3-2.1 on GA media","description":"These are all security issues fixed in the helm-3.10.3-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:53:00.379944Z","updated_at":"2026-11-02T16:58:35.751245Z"},{"id":"openSUSE-SU-2025:15779-1","title":"helm3-3.19.2-1.1 on GA media","description":"These are all security issues fixed in the helm3-3.19.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-11-28T00:00:00Z","modified":"2026-02-04T03:10:43.123465Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"SUSE-SU-2022:4606-1","title":"Security update for helm","description":"This update for helm fixes the following issues:\n\nUpdate to version 3.10.3:\n\n- CVE-2022-23524: Fixed a denial of service in the string value parsing (bsc#1206467).\n- CVE-2022-23525: Fixed a denial of service with the repository index file (bsc#1206469).\n- CVE-2022-23526: Fixed a denial of service in the schema file handling (bsc#1206471).\n","status":"published","published":"2022-12-22T08:32:17Z","modified":"2026-02-04T03:24:39.939363Z","updated_at":"2026-11-02T15:53:51.853735Z"}]}}