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CVE-2026-6291 Bleichenbacher padding oracle in PKCS#7 KTRI RSA PKCS#1 v1.5 decryption

🗓️ 25 Jun 2026 16:41:42Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Padding oracle in PKCS seven RSA decryption allowed CEK recovery; fix uses fake CEK and constant-time decryption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2026-6291
25 Jun 202616:41
attackerkb
alpinelinux
CVE-2026-6291
25 Jun 202616:41
alpinelinux
circl
CVE-2026-6291
25 Jun 202618:35
circl
cve
CVE-2026-6291
25 Jun 202616:41
cve
debiancve
CVE-2026-6291
25 Jun 202616:41
debiancve
euvd
EUVD-2026-39482
25 Jun 202616:41
euvd
nvd
CVE-2026-6291
25 Jun 202618:16
nvd
osv
CVE-2026-6291 Bleichenbacher padding oracle in PKCS#7 KTRI RSA PKCS#1 v1.5 decryption
25 Jun 202616:41
osv
osv
DEBIAN-CVE-2026-6291
25 Jun 202618:16
osv
osv
JLSEC-2026-745 Bleichenbacher padding oracle in PKCS#7 KTRI decryption. When decrypting PKCS#7 EnvelopedData...
14 Jul 202621:41
osv
Rows per page
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "collectionURL": "https://github.com/wolfSSL/wolfssl",
    "versions": [
      {
        "status": "affected",
        "version": "3.9.10",
        "lessThanOrEqual": "5.9.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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