diff --git a/advisories/unreviewed/2026/09/GHSA-pm27-vjq7-f5fv/GHSA-pm27-vjq7-f5fv.json b/advisories/unreviewed/2026/09/GHSA-pm27-vjq7-f5fv/GHSA-pm27-vjq7-f5fv.json
index 900d7701664a..b48eea7673b3 100644
--- a/advisories/unreviewed/2026/09/GHSA-pm27-vjq7-f5fv/GHSA-pm27-vjq7-f5fv.json
+++ b/advisories/unreviewed/2026/09/GHSA-pm27-vjq7-f5fv/GHSA-pm27-vjq7-f5fv.json
@@ -1,23 +1,40 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-pm27-vjq7-f5fv",
-  "modified": "2026-09-18T00:31:11Z",
+  "modified": "2026-09-18T00:31:21Z",
   "published": "2026-09-18T00:31:11Z",
   "aliases": [
     "CVE-2026-93452"
   ],
+  "summary": "snappy-java compress(ByteBuffer, ByteBuffer) can write past the destination buffer",
   "details": "snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in Snappy.compress(ByteBuffer, ByteBuffer) that writes past the end of the destination buffer. Attackers can supply incompressible data that exceeds the destination buffer's remaining capacity, corrupting off-heap memory and causing JVM termination.",
   "severity": [
-    {
-      "type": "CVSS_V3",
-      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
-    },
     {
       "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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
+      "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"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Maven",
+        "name": "org.xerial.snappy:snappy-java"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "last_affected": "1.1.10.8"
+            }
+          ]
+        }
+      ]
     }
   ],
-  "affected": [],
   "references": [
     {
       "type": "ADVISORY",
@@ -35,6 +52,10 @@
       "type": "WEB",
       "url": "https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L137"
     },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L137-L161"
+    },
     {
       "type": "WEB",
       "url": "https://www.vulncheck.com/advisories/snappy-java-through-1.1.10.8-buffer-overflow-in-snappy-compress"