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CVE-2026-59644 MLS hash-ratchet honours arbitrary 32-bit generation counter from sender

🗓️ 03 Aug 2026 00:50:50Reported by bcorgType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Bouncy Castle Java before 1.85 permits arbitrary 32-bit MLS hash-ratchet counter.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-59644
3 Aug 202600:50
attackerkb
cve
CVE
CVE-2026-59644
3 Aug 202600:50
cve
euvd
EUVD
EUVD-2026-52030
3 Aug 202600:50
euvd
nvd
NVD
CVE-2026-59644
3 Aug 202601:16
nvd
susecve
SUSE CVE
SUSE CVE-2026-59644
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": "bcmls",
    "repo": "https://github.com/bcgit/bc-java",
    "packageURL": "pkg:maven/org.bouncycastle/bcmls-jdk18on",
    "modules": [
      "mls"
    ],
    "programFiles": [
      "GroupKeySet"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.73",
        "lessThan": "1.85",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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