{
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      {
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              "content": {
                "id": "CVE-2026-5460",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                    "Automatable": "yes"
                  },
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
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      "affected": [
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          "defaultStatus": "unaffected",
          "product": "wolfSSL",
          "programFiles": [
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          "repo": "https://github.com/wolfSSL/wolfssl",
          "vendor": "wolfSSL",
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              "version": "0",
              "versionType": "semver"
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          "lang": "en",
          "type": "finder",
          "value": "Calvin Young (eWalker Consulting Inc.)"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Enoch Chow (Isomorph Cyber)"
        }
      ],
      "descriptions": [
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              "value": "\u003cp\u003eA heap use-after-free exists in wolfSSL\u0027s TLS 1.3 post-quantum cryptography (PQC) hybrid KeyShare processing. In the error handling path of TLSX_KeyShare_ProcessPqcHybridClient() in src/tls.c, the inner function TLSX_KeyShare_ProcessPqcClient_ex() frees a KyberKey object upon encountering an error. The caller then invokes TLSX_KeyShare_FreeAll(), which attempts to call ForceZero() on the already-freed KyberKey, resulting in writes of zero bytes over freed heap memory.\u003c/p\u003e"
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      ],
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "value": "GENERAL"
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          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
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        "dateUpdated": "2026-04-09T23:29:27.577Z",
        "orgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
        "shortName": "wolfSSL"
      },
      "references": [
        {
          "url": "https://github.com/wolfssl/wolfssl/pull/10092"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Heap Use-After-Free in PQC Hybrid KeyShare Error Cleanup in wolfSSL TLS 1.3",
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    "assignerShortName": "wolfSSL",
    "cveId": "CVE-2026-5460",
    "datePublished": "2026-04-09T23:29:27.577Z",
    "dateReserved": "2026-04-02T22:57:35.093Z",
    "dateUpdated": "2026-04-10T13:51:18.283Z",
    "state": "PUBLISHED"
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