{
  "fix": "OPENSUSE-SU-2026:21538-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21538-1",
  "summary": "OPENSUSE-SU-2026:21538-1, released August 6, 2026, fixes 32 CVEs in bouncycastle (version 1.85-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "bouncycastle security update",
  "released": "2026-08-06T07:36:52Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-8763, rated Critical",
  "supported": true,
  "cveCount": 32,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00616,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21538-1",
  "appliesTo": [
    {
      "product": "bouncycastle",
      "productUrl": "https://patchblox.com/security/product/linux/bouncycastle",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.85-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-8763",
      "url": "https://patchblox.com/security/cve/CVE-2026-8763",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.0043,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58062",
      "url": "https://patchblox.com/security/cve/CVE-2026-58062",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00364,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59650",
      "url": "https://patchblox.com/security/cve/CVE-2026-59650",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00337,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-13586",
      "url": "https://patchblox.com/security/cve/CVE-2026-13586",
      "title": "bouncycastle: This update for bouncycastle fixes the following issues:\n\n- CVE-2026-8763: Name Constraints bypass via trailing dot i...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00616,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58060",
      "url": "https://patchblox.com/security/cve/CVE-2026-58060",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, HSS public-key level count unbounded, enabling huge allocation on verify",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00616,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12852",
      "url": "https://patchblox.com/security/cve/CVE-2026-12852",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check.",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-13506",
      "url": "https://patchblox.com/security/cve/CVE-2026-13506",
      "title": "bouncycastle: This update for bouncycastle fixes the following issues:\n\n- CVE-2026-8763: Name Constraints bypass via trailing dot i...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-14682",
      "url": "https://patchblox.com/security/cve/CVE-2026-14682",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, Possible OOM from unbounded up-front allocation on a definite-length read",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58059",
      "url": "https://patchblox.com/security/cve/CVE-2026-58059",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, Quadratic-time escaping when stringifying X.500 distinguished names",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59644",
      "url": "https://patchblox.com/security/cve/CVE-2026-59644",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59649",
      "url": "https://patchblox.com/security/cve/CVE-2026-59649",
      "title": "eap8-activemq-artemis: In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory",
      "priority": "High",
      "severity": "important",
      "cvss": 7.5,
      "epss": 0.00493,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59646",
      "url": "https://patchblox.com/security/cve/CVE-2026-59646",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00465,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59645",
      "url": "https://patchblox.com/security/cve/CVE-2026-59645",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00408,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-15055",
      "url": "https://patchblox.com/security/cve/CVE-2026-15055",
      "title": "bouncycastle: This update for bouncycastle fixes the following issues:\n\n- CVE-2026-8763: Name Constraints bypass via trailing dot i...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59642",
      "url": "https://patchblox.com/security/cve/CVE-2026-59642",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00303,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12185",
      "url": "https://patchblox.com/security/cve/CVE-2026-12185",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check",
      "priority": "High",
      "severity": "high",
      "cvss": 8.6,
      "epss": 0.00291,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58061",
      "url": "https://patchblox.com/security/cve/CVE-2026-58061",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, CCM-family modes write plaintext to caller buffer before tag check",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59639",
      "url": "https://patchblox.com/security/cve/CVE-2026-59639",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59643",
      "url": "https://patchblox.com/security/cve/CVE-2026-59643",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12803",
      "url": "https://patchblox.com/security/cve/CVE-2026-12803",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD f...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59651",
      "url": "https://patchblox.com/security/cve/CVE-2026-59651",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, BKS keystore accepts legacy version with 16-bit integrity MAC key",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00196,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12802",
      "url": "https://patchblox.com/security/cve/CVE-2026-12802",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00195,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12816",
      "url": "https://patchblox.com/security/cve/CVE-2026-12816",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12817",
      "url": "https://patchblox.com/security/cve/CVE-2026-12817",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data",
      "priority": "High",
      "severity": "high",
      "cvss": 8.6,
      "epss": 0.00169,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58063",
      "url": "https://patchblox.com/security/cve/CVE-2026-58063",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00423,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59647",
      "url": "https://patchblox.com/security/cve/CVE-2026-59647",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00423,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59648",
      "url": "https://patchblox.com/security/cve/CVE-2026-59648",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00423,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59640",
      "url": "https://patchblox.com/security/cve/CVE-2026-59640",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59638",
      "url": "https://patchblox.com/security/cve/CVE-2026-59638",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59652",
      "url": "https://patchblox.com/security/cve/CVE-2026-59652",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-59641",
      "url": "https://patchblox.com/security/cve/CVE-2026-59641",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12860",
      "url": "https://patchblox.com/security/cve/CVE-2026-12860",
      "title": "bouncycastle: In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00171,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}