fkie_cve-2025-52497
Vulnerability from fkie_nvd
Published
2025-07-04 15:15
Modified
2025-07-17 16:00
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Summary
Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.
References
cve@mitre.orghttps://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.mdThird Party Advisory
Impacted products
Vendor Product Version
arm mbed_tls *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB29564B-3A9D-4AC0-8F39-052B7A555C19",
              "versionEndExcluding": "3.6.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input."
    },
    {
      "lang": "es",
      "value": "Mbed TLS anterior a 3.6.4 tiene un desbordamiento de b\u00fafer basado en mont\u00f3n de un byte que analiza PEM, en mbedtls_pem_read_buffer y dos funciones mbedtls_pk_parse, a trav\u00e9s de una entrada PEM no confiable."
    }
  ],
  "id": "CVE-2025-52497",
  "lastModified": "2025-07-17T16:00:42.443",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-04T15:15:22.787",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-193"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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