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CVE-2026-16458 Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto

🗓️ 13 Aug 2026 08:31:39Reported by NCSC.chType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

ocrypto timing side-channel in RSA PKCS#1 v1.5 decryption enables plaintext recovery via timing measurements.

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Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-16458
13 Aug 202608:31
attackerkb
cve
CVE
CVE-2026-16458
13 Aug 202608:31
cve
euvd
EUVD
EUVD-2026-57758
13 Aug 202608:31
euvd
nvd
NVD
CVE-2026-16458
13 Aug 202609:17
nvd
[
  {
    "vendor": "Oberon microsystems AG",
    "product": "ocrypto",
    "modules": [
      "RSA PKCS#1 v1.5 decryption"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "4.0.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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