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CVE-2026-59646

🗓️ 03 Aug 2026 00:48:29Reported by bcorgType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

DTLS handshake reassembler in Bouncy Castle Java allocates buffer from unchecked 24 bit length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-59646
3 Aug 202600:48
attackerkb
cvelist
Cvelist
CVE-2026-59646 DTLS handshake reassembler allocates buffer from unchecked 24-bit length
3 Aug 202600:48
cvelist
euvd
EUVD
EUVD-2026-52028
3 Aug 202600:48
euvd
nvd
NVD
CVE-2026-59646
3 Aug 202601:16
nvd
susecve
SUSE CVE
SUSE CVE-2026-59646
28 Jul 202617:11
susecve
[
  {
    "vendor": "Legion of the Bouncy Castle Inc.",
    "product": "BC-JAVA",
    "platforms": [
      "all"
    ],
    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
    "packageName": "bctls",
    "repo": "https://github.com/bcgit/bc-java",
    "packageURL": "pkg:maven/org.bouncycastle/bctls-jdk18on",
    "modules": [
      "tls"
    ],
    "programFiles": [
      "DTLSReliableHandshake"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.85",
        "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": "bctls-lts8on",
    "repo": "https://github.com/bcgit/bc-lts-java",
    "packageURL": "pkg:maven/org.bouncycastle/bctls-lts8on",
    "modules": [
      "tls"
    ],
    "programFiles": [
      "DTLSReliableHandshake"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.73.0",
        "lessThan": "2.73.12",
        "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": "bctls-fips",
    "packageURL": "pkg:maven/org.bouncycastle/bctls-fips",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThan": "1.0.24",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.0.24",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.1.0",
        "lessThan": "2.1.24",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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03 Aug 2026 01:16Current
5.6Medium risk
Vulners AI Score5.6
CVSS 48.7
6