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CRITICAL

CVE-2017-9120

CVSS v3

9.8

CRITICAL

EPSS Score

7.6 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2017-9120 Red Hat Product Security425 products fixed · 62 known affected

    php: Integer overflow in mysqli_api.c:mysqli_real_escape_string()

    rh-php70-php as a component of Red Hat Software Collections · rh-php70-php-bcmath as a component of Red Hat Software Collections · rh-php70-php-cli as a component of Red Hat Software Collections

  • ICSA-24-102-04 CISA1 known affected

    Siemens RUGGEDCOM APE1808

    RUGGEDCOM APE1808

  • SSA-455250 Siemens ProductCERT1 known affected

    SSA-455250: Multiple Vulnerabilities in Palo Alto Networks Virtual NGFW on RUGGEDCOM APE1808 Devices Before V11.1.2-h3

    RUGGEDCOM APE1808

  • RHSA-2019:2519 Red Hat Product Security425 products fixed

    Red Hat Security Advisory: rh-php71-php security, bug fix, and enhancement update

Full record on 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.

Technical details

Published
2018-08-02

Frequently asked questions

What is CVE-2017-9120?

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.

Is CVE-2017-9120 actively exploited?

Active exploitation of CVE-2017-9120 has not been confirmed. Its EPSS score was 7.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-9120?

CVE-2017-9120 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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