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CVE-2026-17508 Password-based KDF cost parameters honoured unbounded from untrusted input across the remaining PBE entry points

🗓️ 02 Oct 2026 07:27:59Reported by bcorgType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Bouncy Castle for Java takes unbounded KDF cost parameters from untrusted input.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-17508
2 Oct 202607:27
–cve
euvd
EUVD
EUVD-2026-91236
2 Oct 202607:27
–euvd
nvd
NVD
CVE-2026-17508
2 Oct 202608:17
–nvd
ptsecurity
Positive Technologies
PT-2026-104128
2 Oct 202600:00
–ptsecurity
[
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-JAVA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
    "packageName": "bcpkix",
    "repo": "https://github.com/bcgit/bc-java",
    "packageURL": "pkg:maven/org.bouncycastle/bcpkix-jdk18on",
    "modules": [
      "pkix"
    ],
    "programFiles": [
      "JcePBMac1CalculatorBuilder",
      "PKCS12PBEUtils",
      "JcePKCSPBEInputDecryptorProviderBuilder",
      "JceOpenSSLPKCS8DecryptorProviderBuilder"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.86",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-JAVA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
    "packageName": "bcprov",
    "repo": "https://github.com/bcgit/bc-java",
    "packageURL": "pkg:maven/org.bouncycastle/bcprov-jdk18on",
    "modules": [
      "core",
      "prov"
    ],
    "programFiles": [
      "PBEPBKDF2",
      "OpenSSHPrivateKeyUtil"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.86",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-LTS-JAVA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/",
    "packageName": "bcpkix-lts8on",
    "repo": "https://github.com/bcgit/bc-lts-java",
    "packageURL": "pkg:maven/org.bouncycastle/bcpkix-lts8on",
    "modules": [
      "pkix"
    ],
    "programFiles": [
      "JcePBMac1CalculatorBuilder",
      "PKCS12PBEUtils",
      "JcePKCSPBEInputDecryptorProviderBuilder",
      "JceOpenSSLPKCS8DecryptorProviderBuilder"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.73.0",
        "lessThan": "2.73.13",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-LTS-JAVA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/",
    "packageName": "bcprov-lts8on",
    "repo": "https://github.com/bcgit/bc-lts-java",
    "packageURL": "pkg:maven/org.bouncycastle/bcprov-lts8on",
    "modules": [
      "core",
      "prov"
    ],
    "programFiles": [
      "PBEPBKDF2",
      "OpenSSHPrivateKeyUtil"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.73.0",
        "lessThan": "2.73.13",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-FJA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
    "packageName": "bcpkix-fips",
    "packageURL": "pkg:maven/org.bouncycastle/bcpkix-fips",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThan": "1.0.13",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.0.13",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.1.0",
        "lessThan": "2.1.13",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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