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CVE-2026-3548 Buffer overflow in CRL number parsing in wolfSSL

🗓️ 19 Mar 2026 17:45:16Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

WolfSSL CRL number parsing may overflow heap or stack for untrusted CRLs in builds with support.

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Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-3548
19 Mar 202617:45
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-3548
19 Mar 202617:45
–alpinelinux
cnnvd
CNNVD
wolfSSL (CyaSSL) security vulnerabilities
19 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-3548
19 Mar 202617:45
–cve
debiancve
Debian CVE
CVE-2026-3548
19 Mar 202617:45
–debiancve
euvd
EUVD
EUVD-2026-13150
19 Mar 202618:31
–euvd
mend
Mend
CVE-2026-3548
19 Mar 202617:45
–mend
nvd
NVD
CVE-2026-3548
19 Mar 202618:16
–nvd
osv_alpine
osv_alpine
ALPINE-CVE-2026-3548
19 Mar 202618:16
–osv_alpine
osv_cve
osv_cve
CVE-2026-3548 Buffer overflow in CRL number parsing in wolfSSL
19 Mar 202617:45
–osv_cve
Rows per page
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "platforms": [
      "MacOS",
      "Linux",
      "Windows"
    ],
    "collectionURL": "https://www.wolfssl.com/download/",
    "packageName": "wolfSSL",
    "repo": "https://github.com/wolfSSL/wolfssl",
    "modules": [
      "wolfSSL"
    ],
    "programFiles": [
      "wolfcrypt/src/asn.c"
    ],
    "programRoutines": [
      {
        "name": "ParseCRL()"
      },
      {
        "name": "ParseCRL_Extensions()"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 Mar 2026 17:45Current
CVSS 49.2
EPSS0.00489
SSVC
45