SB2025071794 - Ubuntu update for php8.1



SB2025071794 - Ubuntu update for php8.1

Published: July 17, 2025

Security Bulletin ID SB2025071794
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-1220)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of the null byte in the fsockopen() function implementation when handling hostnames. A remote attacker can pass a specially crafted hostname to the application and force it to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


2) Improper error handling (CVE-ID: CVE-2025-1735)

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

The vulnerability exists due to incorrect handling of error messages and situations in pgsql extension. A remote attacker can pass specially crafted data to the application and perform a denial of service attack under certain circumstances. 


3) NULL pointer dereference (CVE-ID: CVE-2025-6491)

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

The vulnerability exists due to a NULL pointer dereference error in the PHP SOAP extension. A remote attacker can pass a large XML namespace prefix to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.