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vuln-cve/data/2026/6xxx/CVE-2026-6329.json
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"cveId": "CVE-2026-6329",
"assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
"state": "PUBLISHED",
"assignerShortName": "wolfSSL",
"dateReserved": "2026-04-15T03:08:29.037Z",
"datePublished": "2026-06-25T21:02:45.860Z",
"dateUpdated": "2026-06-26T10:22:21.379Z"
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"dateUpdated": "2026-06-25T21:02:45.860Z"
},
"title": "PKCS#12 MAC verification uses attacker-controlled comparison length",
"problemTypes": [
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"lang": "en",
"cweId": "CWE-347",
"description": "CWE-347 Improper Verification of Cryptographic Signature",
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"vendor": "wolfSSL",
"product": "wolfSSL",
"collectionURL": "https://github.com/wolfSSL/wolfssl",
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"version": "3.10.0",
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"value": "PKCS#12 MAC verification uses an attacker-controlled comparison length, weakening the integrity check on the MAC and allowing a mismatched MAC to be accepted. The PKCS#12 verify path compared the locally computed HMAC against the MAC parsed from the PKCS#12 structure using a length taken directly from the attacker-supplied input, without first verifying that it equals the length of the digest actually produced by the configured algorithm. A truncated or zero-length stored MAC could therefore be accepted, defeating the integrity protection of the MAC.",
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"value": "<p>PKCS#12 MAC verification uses an attacker-controlled comparison length, weakening the integrity check on the MAC and allowing a mismatched MAC to be accepted. The PKCS#12 verify path compared the locally computed HMAC against the MAC parsed from the PKCS#12 structure using a length taken directly from the attacker-supplied input, without first verifying that it equals the length of the digest actually produced by the configured algorithm. A truncated or zero-length stored MAC could therefore be accepted, defeating the integrity protection of the MAC.</p>"
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"references": [
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"url": "https://github.com/wolfSSL/wolfssl/pull/10192",
"tags": [
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{
"url": "https://www.wolfssl.com/docs/security-vulnerabilities/"
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"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "MEDIUM",
"baseScore": 6,
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
}
}
],
"credits": [
{
"lang": "en",
"value": "Nicholas Carlini from Anthropic",
"type": "finder"
}
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"source": {
"discovery": "UNKNOWN"
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"metrics": [
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"content": {
"timestamp": "2026-06-26T10:22:07.674452Z",
"id": "CVE-2026-6329",
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"title": "CISA ADP Vulnrichment",
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