CVE-2026-6103: Integer Overflow

Published Sep 24, 2026

Updated

Fixed (Integer overflow in phartarnumber() allowing TAR archive entry injection). (CVE-2026-6103)

Affected Software

1 affected componentFixes available

PHP PHP<8.4.26

8.4.26

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.4.26

Event History

Sep 24, 2026

CVE Published

via PHP·12:00 AM

Data Sourced

via PHP·12:00 AM

DescriptionAffected Software

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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