https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 23:14:08 +0000 https://vulnerability.circl.lu/vuln/ghsa-pwcw-6f5g-gxf8 <p><strong>Affected:</strong> Go: helm.sh/helm/v3</p> <p>A Helm contributor discovered an information disclosure vulnerability using the `getHostByName` template function.</p> <p>### Impact</p> <p>`getHostByName` is a Helm template function introduced in Helm v3. The function is able to accept a hostname and return an IP address for that hostname. To get the IP address the function performs a DNS lookup. The DNS lookup happens when used with `helm install|upgrade|template` or when the Helm SDK is used to render a chart.</p> <p>Information passed into the chart can be disclosed to the DNS servers used to lookup the IP address. For example, a malicious chart could inject `getHostByName` into a chart in order to disclose values to a malicious DNS server.</p> <p>### Patches</p> <p>The issue has been fixed in Helm 3.11.1.</p> <p>### Workarounds</p> <p>Prior to using a chart with Helm verify the `getHostByName` function is not being used in a template to disclose any information you do not want passed to DNS servers.</p> <p>### For more information</p> <p>Helm&#39;s security policy is spelled out in detail in our [SECURITY](https://github.com/helm/community/blob/master/SECURITY.md) document.</p> <p>### Credits</p> <p>Disclosed by Philipp Stehle at SAP.</p> <p><strong>Affected:</strong> Go: helm.sh/helm/v3</p> <p>A Helm contributor discovered an information disclosure vulnerability using the `getHostByName` template function.</p> <p>### Impact</p> <p>`getHostByName` is a Helm template function introduced in Helm v3. The function is able to accept a hostname and return an IP address for that hostname. To get the IP address the function performs a DNS lookup. The DNS lookup happens when used with `helm install|upgrade|template` or when the Helm SDK is used to render a chart.</p> <p>Information passed into the chart can be disclosed to the DNS servers used to lookup the IP address. For example, a malicious chart could inject `getHostByName` into a chart in order to disclose values to a malicious DNS server.</p> <p>### Patches</p> <p>The issue has been fixed in Helm 3.11.1.</p> <p>### Workarounds</p> <p>Prior to using a chart with Helm verify the `getHostByName` function is not being used in a template to disclose any information you do not want passed to DNS servers.</p> <p>### For more information</p> <p>Helm&#39;s security policy is spelled out in detail in our [SECURITY](https://github.com/helm/community/blob/master/SECURITY.md) document.</p> <p>### Credits</p> <p>Disclosed by Philipp Stehle at SAP.</p> https://vulnerability.circl.lu/vuln/ghsa-pwcw-6f5g-gxf8