Buffer overflow in Php
CVE-2026-14355
In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRAP-PAD algorithm implementation in OpenSSL extension contains a buffer allocation flaw. The output buffer for the AES key-wrap-wit…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Php — versions 8.2.0, 8.3.0, 8.4.0
Weakness classification (CWE)
References
- security@php.net (vendor-advisory)
Frequently asked questions
- What is CVE-2026-14355?
- CVE-2026-14355 is a medium-severity vulnerability in Php, classified under Heap-based Buffer Overflow. CVSS score: 5.6/10. Published 2026-07-03.
- How severe is CVE-2026-14355?
- Medium severity. CVSS v3 base score is 5.6 out of 10.