CVE-2026-17544

A flaw was found in PHP. A remote attacker could exploit this vulnerability by providing specially crafted inputs to the bccomp function. This could lead to an out-of-bounds write, resulting in stack and heap corruption. Such memory corruption can enable arbitrary code execution, allowing the...

CVE-2026-17544 Out-of-bounds write in bccomp() via crafted operand and scale

Attacker-provided inputs to bccomp could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4. before 8.4.24 and from 8.5. before 8.5.9...

CVE-2026-17544

Attacker-provided inputs to bccomp could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4. before 8.4.24 and from 8.5. before 8.5.9...

PT-2026-66458

Name of the Vulnerable Software and Affected Versions PHP versions 8.4.0 through 8.4.23 PHP versions 8.5.0 through 8.5.8 Description Attacker-provided inputs to the bccomp function can lead to an out-of-bounds write, resulting in stack and heap corruption. An out-of-bounds write occurs when a...