CVE-2020-7065

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Source
https://cve.org/CVERecord?id=CVE-2020-7065
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-7065.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-7065
Aliases
Downstream
Related
Published
2020-04-01T04:15:13.943Z
Modified
2026-05-15T12:04:15.990994073Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
                {
                    "last_affected": "12.04"
                },
                {
                    "last_affected": "14.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "last_affected": "18.04"
                },
                {
                    "last_affected": "19.10"
                },
                {
                    "last_affected": "20.04"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "tenable:tenable.sc",
            "extracted_events": [
                {
                    "fixed": "5.19.0"
                }
            ]
        }
    ]
}
References

Affected packages