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CVE-2026-4159 wc_PKCS7_DecodeEnvelopedData 1 byte out-of-bounds read

🗓️ 19 Mar 2026 21:17:46Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 56 Views

One-byte out-of-bounds heap read in wc_PKCS7_DecodeEnvelopedData with zero-length encrypted content in wolfSSL 5.8.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-4159
19 Mar 202621:17
–alpinelinux
circl
Circl
CVE-2026-4159
19 Mar 202621:49
–circl
cnnvd
CNNVD
wolfSSL (CyaSSL) security vulnerabilities
19 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-4159
19 Mar 202621:17
–cve
debiancve
Debian CVE
CVE-2026-4159
19 Mar 202621:17
–debiancve
euvd
EUVD
EUVD-2026-13233
20 Mar 202600:31
–euvd
mend
Mend
CVE-2026-4159
19 Mar 202621:17
–mend
nvd
NVD
CVE-2026-4159
19 Mar 202622:16
–nvd
osv_cve
osv_cve
CVE-2026-4159 wc_PKCS7_DecodeEnvelopedData 1 byte out-of-bounds read
19 Mar 202621:17
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-4159
19 Mar 202622:16
–osv_debian
Rows per page
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 Mar 2026 21:17Current
CVSS 42.1
EPSS0.00097
SSVC
56