{
  "fix": "SUSE-SU-2026:23868-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23868-1",
  "summary": "SUSE-SU-2026:23868-1, released September 21, 2026, fixes 4 CVEs in zstd-jni (version 1.5.7.16-160000.1.1). None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "linux",
  "type": "advisory",
  "title": "zstd-jni security update",
  "released": "2026-09-21T17:43:14Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 4 CVEs, none high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00432,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:23868-1",
  "appliesTo": [
    {
      "product": "zstd-jni",
      "productUrl": "https://patchblox.com/security/product/linux/zstd-jni",
      "release": "sles 16.0",
      "fixedVersion": "1.5.7.16-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-87823",
      "url": "https://patchblox.com/security/cve/CVE-2026-87823",
      "title": "zstd-jni-java: zstd-jni before 1.5.7-14 performs 32-bit signed bounds checks on three direct-ByteBuffer frame-size native methods, a...",
      "priority": "Routine",
      "epss": 0.00432,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-87824",
      "url": "https://patchblox.com/security/cve/CVE-2026-87824",
      "title": "zstd-jni-java: zstd-jni before 1.5.7-14 fails to validate the samples buffer capacity in Zstd.trainFromBufferDirect, allowing attack...",
      "priority": "Routine",
      "epss": 0.00389,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-87877",
      "url": "https://patchblox.com/security/cve/CVE-2026-87877",
      "title": "zstd-jni-java: zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDD...",
      "priority": "Routine",
      "epss": 0.00221,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-87825",
      "url": "https://patchblox.com/security/cve/CVE-2026-87825",
      "title": "zstd-jni-java: zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary\u0027s share...",
      "priority": "Routine",
      "epss": 0.00214,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}