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    "cveMetadata": {
        "cveId": "CVE-2026-5393",
        "assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
        "state": "PUBLISHED",
        "assignerShortName": "wolfSSL",
        "dateReserved": "2026-04-01T23:11:41.235Z",
        "datePublished": "2026-04-09T23:02:28.747Z",
        "dateUpdated": "2026-04-10T15:02:58.096Z"
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                "dateUpdated": "2026-04-09T23:02:28.747Z"
            },
            "title": "OOB Read in DoTls13CertificateVerify with WOLFSSL_DUAL_ALG_CERTS",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-125",
                            "description": "CWE-125 Out-of-bounds Read",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "wolfSSL",
                    "product": "wolfSSL",
                    "repo": "https://github.com/wolfSSL/wolfssl",
                    "programFiles": [
                        "src/tls13.c"
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                            "status": "affected",
                            "version": "0",
                            "lessThan": "5.9.1",
                            "versionType": "semver"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL.",
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                            "value": "<p>Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL.</p>"
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            "references": [
                {
                    "url": "https://github.com/wolfSSL/wolfssl/pull/10079"
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "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": 6.3,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Sunwoo Lee, (Korea Institute of Energy Technology, KENTECH) for testing",
                    "type": "other"
                },
                {
                    "lang": "en",
                    "value": "Woohyun Choi, (Korea Institute of Energy Technology, KENTECH) for testing",
                    "type": "other"
                },
                {
                    "lang": "en",
                    "value": "Seunghyun Yoon, (Korea Institute of Energy Technology, KENTECH) for testing",
                    "type": "other"
                }
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            "source": {
                "discovery": "EXTERNAL"
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-10T15:02:50.587191Z",
                                "id": "CVE-2026-5393",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "dateUpdated": "2026-04-10T15:02:58.096Z"
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