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.
History

Thu, 30 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 30 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Php Group
Php Group php
Vendors & Products Php Group
Php Group php

Thu, 30 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title Out-of-bounds write in bccomp() via crafted operand and scale
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 8.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: php

Published:

Updated: 2026-07-30T12:17:53.977Z

Reserved: 2026-07-27T10:14:42.318Z

Link: CVE-2026-17544

cve-icon Vulnrichment

Updated: 2026-07-30T12:17:49.362Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-30T12:30:05Z