Publish GHSA-r46p-8f7g-vvvg

Author: advisory-database[bot]

advisories/github-reviewed/2026/03/GHSA-r46p-8f7g-vvvg/GHSA-r46p-8f7g-vvvg.json

@@ -0,0 +1,119 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-r46p-8f7g-vvvg",
+  "modified": "2026-03-23T21:08:54Z",
+  "published": "2026-03-23T21:08:54Z",
+  "aliases": [
+    "CVE-2026-33174"
+  ],
+  "summary": "Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests",
+  "details": "### Impact\nWhen serving files through Active Storage's `Blobs::ProxyController`, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header (e.g. `bytes=0-`) could cause the server to allocate memory proportional to the file size, possibly resulting in a DoS vulnerability through memory exhaustion.\n\n### Releases\nThe fixed releases are available at the normal locations.",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "RubyGems",
+        "name": "activestorage"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "8.1.0.beta1"
+            },
+            {
+              "fixed": "8.1.2.1"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "RubyGems",
+        "name": "activestorage"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "8.0.0.beta1"
+            },
+            {
+              "fixed": "8.0.4.1"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "RubyGems",
+        "name": "activestorage"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "7.2.3.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/security/advisories/GHSA-r46p-8f7g-vvvg"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/commit/2cd933c366b777f873d4d590127da2f4a25e4ba5"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/commit/42012eaaa88dfc7d0030161b2bc8074a7bbce92a"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/commit/8159a9c3de3f27a2bcf2866b8bf9ceb9075e229b"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/rails/rails"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/releases/tag/v7.2.3.1"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/releases/tag/v8.0.4.1"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/rails/rails/releases/tag/v8.1.2.1"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-789"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-03-23T21:08:54Z",
+    "nvd_published_at": null
+  }
+}