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Vulnerability record · CVE-2017-9120 · published 2 August 2018

CVE-2017-9120: Php integer overflow vulnerability

Php · Php

PHP 7.x through 7.1.5 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a long string because of an Integer overflow in mysqli_real_escape_string.

9.8 CVSS 3.1 Critical EPSS 7.6% · top 5.7% CWE-190 · Integer overflow
9.8CVSS 3.1 base score, v2 7.5
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

PHP 7.x through 7.1.5 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a long string because of an Integer overflow in mysqli_real_escape_string.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2019:2519 Third Party Advisory
https://bugs.php.net/bug.php?id=74544 ExploitIssue TrackingPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20181107-0003/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519 Third Party Advisory
https://bugs.php.net/bug.php?id=74544 ExploitIssue TrackingPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20181107-0003/ Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9120), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.