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CVE-2025-7844 wolfTPM library wrapper function `wolfTPM2_RsaKey_TpmToWolf` copies external data to a fixed-size stack buffer without length validation potentially causing stack-based buffer overflow

🗓️ 04 Aug 2025 21:35:04Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2025-7844 in wolfTPM may cause stack overflow when exporting RSA keys larger than 2048 bits.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "wolfTPM",
    "programFiles": [
      "src/tpm2_wrap.c"
    ],
    "programRoutines": [
      {
        "name": "wolfTPM2_RsaKey_TpmToWolf"
      }
    ],
    "repo": "https://github.com/wolfSSL/wolftpm",
    "vendor": "wolfSSL Inc.",
    "versions": [
      {
        "lessThanOrEqual": "3.9.2",
        "status": "affected",
        "version": "0",
        "versionType": "git"
      }
    ]
  }
]

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