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

CVE ID :CVE-2026-17544

Published : July 30, 2026, 11:22 a.m. | 22 minutes ago

Description :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.

Severity: 8.1 | HIGH

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