Publish GHSA-4c5f-9mj4-m247

Author: advisory-database[bot]

advisories/github-reviewed/2026/01/GHSA-4c5f-9mj4-m247/GHSA-4c5f-9mj4-m247.json

@@ -0,0 +1,101 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-4c5f-9mj4-m247",
+  "modified": "2026-01-05T15:07:46Z",
+  "published": "2026-01-05T15:07:05Z",
+  "aliases": [],
+  "summary": "flagd: Multiple Go Runtime CVEs Impact Security and Availability",
+  "details": "### Summary\nIn 2025, several vulnerabilities in the Go Standard Library were disclosed, impacting Go-based applications like flagd (the evaluation engine for OpenFeature). These CVEs primarily focus on Denial of Service (DoS) through resource exhaustion and Race Conditions in database handling. \n\n| CVE ID | Impacted Package | Severity | Description & Impact on flagd |\n| -- | -- | -- | -- |\n| CVE-2025-47907 | database/sql | 7.0 (High) | Race Condition:  Canceling a query during a Scan call can return data from the wrong query. Critical if flagd uses SQL-based sync providers (e.g., Postgres), potentially leading to incorrect flag configurations. |\n| CVE-2025-61725 | net/mail | 7.5 (High) | DoS: Inefficient complexity in ParseAddress.  Attackers can provide crafted email strings with large domain literals to exhaust CPU if flagd parses email-formatted metadata. |\n| CVE-2025-61723 | encoding/pem | 7.5 (High) | DoS: Quadratic complexity when parsing invalid PEM inputs. Relevant if flagd loads TLS certificates or keys via PEM files from untrusted sources. |\n| CVE-2025-61729 | crypto/x509 | 7.5 (High) | Resource Exhaustion: HostnameError.Error() lacks string concatenation limits. A malicious TLS certificate with thousands of hostnames could crash flagd during connection handshakes. |\n| CVE-2025-58188 | net/http | Medium | Request Smuggling: Improper header handling in HTTP/1.1. Could allow attackers to bypass security filters positioned in front of flagd sync or evaluation APIs. |\n| CVE-2025-58187 | archive/zip | Medium | DoS:  Improper validation of malformed ZIP archives.  Impacts flagd if configured to fetch and unpack zipped configuration bundles from remote providers. |",
+  "severity": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/open-feature/flagd/core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "0.13.1"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/open-feature/flagd/flagd-proxy"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "0.8.2"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/open-feature/flagd/flagd"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "0.13.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/open-feature/flagd/security/advisories/GHSA-4c5f-9mj4-m247"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/open-feature/flagd/pull/1840"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/open-feature/flagd"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/open-feature/flagd/releases/tag/core%2Fv0.13.1"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-20",
+      "CWE-362",
+      "CWE-400",
+      "CWE-407",
+      "CWE-444",
+      "CWE-770"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-01-05T15:07:05Z",
+    "nvd_published_at": null
+  }
+}