Vulnerability from bitnami_vulndb
Published
2025-08-11 13:53
Modified
2025-08-11 14:19
Summary
Use-of-uninitialized-value in exif
Details

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.29"
            },
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "7.3.16"
            },
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "7.4.4"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-7064"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.",
  "id": "BIT-libphp-2020-7064",
  "modified": "2025-08-11T14:19:40.295Z",
  "published": "2025-08-11T13:53:05.834Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=79282"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7064"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200403-0001/"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4330-1/"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4330-2/"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4717"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4719"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/tns-2021-14"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Use-of-uninitialized-value in exif"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.