Publish GHSA-66fc-rw6m-c2q6

Author: advisory-database[bot]

advisories/github-reviewed/2026/01/GHSA-66fc-rw6m-c2q6/GHSA-66fc-rw6m-c2q6.json

@@ -0,0 +1,64 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-66fc-rw6m-c2q6",
+  "modified": "2026-01-21T17:05:54Z",
+  "published": "2026-01-21T17:05:54Z",
+  "aliases": [
+    "CVE-2026-23957"
+  ],
+  "summary": "Seroval affected by Denial of Service via Array serialization",
+  "details": "Overriding encoded array lengths by replacing them with an excessively large value causes the deserialization process to **significantly increase processing time**.  \n\n**Mitigation**:  \n`Seroval` no longer encodes array lengths.\nInstead, it computes length using `Array.prototype.length` during deserialization.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "seroval"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.4.1"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "<= 1.4.0"
+      }
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-66fc-rw6m-c2q6"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/lxsmnsyc/seroval"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-770"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-01-21T17:05:54Z",
+    "nvd_published_at": null
+  }
+}