SB20260721111 - Ubuntu update for php8.1

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Main Vulnerability Database SB20260721111

SB20260721111 - Ubuntu update for php8.1

Published: July 21, 2026

Security Bulletin ID SB20260721111
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Uncaught Exception (CVE-ID: CVE-2026-12184)

CWE-ID: CWE-248 - Uncaught Exception

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper handling of https stream access in file_get_contents() when processing a https URL through a proxy. A remote attacker can supply a crafted https resource or proxy interaction to trigger a segmentation fault and cause a denial of service.


2) Buffer overflow (CVE-ID: CVE-2026-14355)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to memory corruption in openssl_encrypt() when processing AES-WRAP-PAD input. A remote attacker can supply crafted input to trigger heap corruption and cause a denial of service.


Remediation

Install update from vendor's website.

References