[GHSA-hjcp-jmpx-g3qm] HttpClient based on the classic i/o model fails to...

advisories/unreviewed/2026/07/GHSA-hjcp-jmpx-g3qm/GHSA-hjcp-jmpx-g3qm.json

@@ -1,27 +1,55 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-hjcp-jmpx-g3qm",
-  "modified": "2026-07-31T18:32:17Z",
+  "modified": "2026-07-31T18:33:21Z",
   "published": "2026-07-31T12:30:30Z",
   "aliases": [
     "CVE-2026-64607"
   ],
+  "summary": "Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS",
   "details": "HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported `Content-Encoding` header value in the response message. Please note this defect does not affect HttpClient based on the async i/o model.\n\nThis issue affects Apache HttpComponents Client: from 5.0-alpha1 through 5.6.2.",
   "severity": [
     {
       "type": "CVSS_V3",
       "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
     }
   ],
-  "affected": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Maven",
+        "name": "org.apache.httpcomponents.client5:httpclient5"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "5.0-alpha1"
+            },
+            {
+              "fixed": "5.6.3"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "<= 5.6.2"
+      }
+    }
+  ],
   "references": [
     {
       "type": "ADVISORY",
       "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64607"
     },
     {
       "type": "WEB",
-      "url": "https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q"
+      "url": "https://app.opencve.io/cve/CVE-2026-64607"
+    },
+    {
+      "type": "WEB",
+      "url": "https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q7"
     }
   ],
   "database_specific": {