CERT-FR flags multiple PHP vulnerabilities enabling remote code execution, fixed in 8.2.35, 8.3.36, 8.4.27 and 8.5.12
CERT-FR advisory CERTFR-2026-AVI-1359 reports multiple vulnerabilities in PHP that allow an attacker to achieve remote arbitrary code execution. The flaws are addressed in the PHP security bulletins of 21 October 2026. All 8.0.x and 8.1.x versions are listed as affected, and since the advisory names no fixed release for these branches, th…