SB2026080395 - Multiple vulnerabilities in PHP

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Main Vulnerability Database SB2026080395

SB2026080395 - Multiple vulnerabilities in PHP

Published: August 3, 2026

Security Bulletin ID SB2026080395
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 50% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2026-9672)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an unspecified issue in libgd. A remote attacker can bypass implemented security restrictions. 


2) SQL injection (CVE-ID: CVE-2026-17543)

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSSv4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in ext-pgsql extension. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.


3) Uncontrolled recursion (CVE-ID: CVE-2026-7260)

CWE-ID: CWE-674 - Uncontrolled Recursion

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L]


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to uncontrolled recursion when following symbolic links in phar archives. A remote attacker can supply a specially crafted archive to a PHP script and perform a denial of service attack. 


4) Out-of-bounds write (CVE-ID: CVE-2026-17544)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the bc_str2num() function. A remote attacker can pass specially crafted input to the application that is using the affected function, trigger an out-of-bounds write and crash the application or potentially execute arbitrary code.


Remediation

Install update from vendor's website.

References