CVE-2026-17544

Summary

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.

Affected Software

VendorProductVersion RangeStatus
PHP GroupPHP8.4.* < 8.4.24affected
PHP GroupPHP8.5.* < 8.5.9affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References