{
  "fix": "SUSE-SU-2026:24461-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24461-1",
  "summary": "SUSE-SU-2026:24461-1, released November 7, 2026, fixes 14 CVEs in bouncycastle (version 1.86-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "bouncycastle security update",
  "released": "2026-11-07T00:44:01Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-17507, high severity",
  "supported": true,
  "cveCount": 14,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0042,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:24461-1",
  "appliesTo": [
    {
      "product": "bouncycastle",
      "productUrl": "https://patchblox.com/security/product/linux/bouncycastle",
      "release": "sles 16.0",
      "fixedVersion": "1.86-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-17507",
      "url": "https://patchblox.com/security/cve/CVE-2026-17507",
      "title": "bouncycastle: negative signed leaf_index values from unsigned wire encodings can cause heap exhaustion",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0042,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-17508",
      "url": "https://patchblox.com/security/cve/CVE-2026-17508",
      "title": "bouncycastle: unbounded KDF iteration and memory parameters can cause resource exhaustion (bsc#1284073).",
      "priority": "Routine",
      "epss": 0.00418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18036",
      "url": "https://patchblox.com/security/cve/CVE-2026-18036",
      "title": "bouncycastle: variable-time modulo and division operations in NTRU implementation can allow timing side-channel",
      "priority": "Routine",
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97873",
      "url": "https://patchblox.com/security/cve/CVE-2026-97873",
      "title": "bouncycastle: unbounded iteration counts in legacy PBES1 and PKCS#12 PBE implementations can cause resource",
      "priority": "Routine",
      "epss": 0.00263,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71890",
      "url": "https://patchblox.com/security/cve/CVE-2026-71890",
      "title": "bouncycastle: unbounded Remove proposals in external MLS commits can cause arbitrary group member eviction and",
      "priority": "Routine",
      "epss": 0.00249,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71885",
      "url": "https://patchblox.com/security/cve/CVE-2026-71885",
      "title": "bouncycastle: unbound X.509 certificates in MLS LeafNode verification can cause identity impersonation and group",
      "priority": "Routine",
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71891",
      "url": "https://patchblox.com/security/cve/CVE-2026-71891",
      "title": "bouncycastle: forged ECPoint curves in BLS12-381 key validation can cause aggregate signature verification bypasses",
      "priority": "Routine",
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71892",
      "url": "https://patchblox.com/security/cve/CVE-2026-71892",
      "title": "bouncycastle: type mismatch in CMS key-transport validation can cause key-size enforcement bypasses for HKDF-derived",
      "priority": "Routine",
      "epss": 0.00173,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71886",
      "url": "https://patchblox.com/security/cve/CVE-2026-71886",
      "title": "bouncycastle: unvalidated CERTIFY_OTHER flags in OpenPGP subkeys can cause unauthorized trust delegations and",
      "priority": "Routine",
      "epss": 0.00167,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71889",
      "url": "https://patchblox.com/security/cve/CVE-2026-71889",
      "title": "bouncycastle: skipped leaf certificate evaluation in checkNameConstraints can cause X.509 name constraint bypasses",
      "priority": "Routine",
      "epss": 0.00167,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-85515",
      "url": "https://patchblox.com/security/cve/CVE-2026-85515",
      "title": "bouncycastle: laundered EOF exceptions in OpenPGP message stream processing can cause unregistered truncation errors",
      "priority": "Routine",
      "epss": 0.00157,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71888",
      "url": "https://patchblox.com/security/cve/CVE-2026-71888",
      "title": "bouncycastle: disagreement between digestAlgorithm and authAttrs in CMS parsing can cause unauthenticated attribute",
      "priority": "Routine",
      "epss": 0.00112,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18040",
      "url": "https://patchblox.com/security/cve/CVE-2026-18040",
      "title": "bouncycastle: table lookups and variable-time duplicate scanning in HQC can cause cache side-channel leaks",
      "priority": "Routine",
      "epss": 0.00107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-71887",
      "url": "https://patchblox.com/security/cve/CVE-2026-71887",
      "title": "bouncycastle: missing primary key back-signature validation on subkeys can cause signature misattribution and trust",
      "priority": "Routine",
      "epss": 0.0009,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}