{"id":"CVE-2025-14181","title":"The SOAP HTTP client guards its response buffer growth with a check that relies on signed integer overflow, which is undefined behaviour and is not guaranteed to trigger","summary":"The SOAP HTTP client guards its response buffer growth with a check that relies on signed integer overflow, which is undefined behaviour and is not guaranteed to trigger. When the check is optimised away, a malicious SOAP server can make…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","cwe":["CWE-190"],"vendor":"PHP Group","product":"ext-soap","affected":["ext-soap >= 8.2.* < 8.2.34","ext-soap >= 8.3.* < 8.3.35","ext-soap >= 8.4.* < 8.4.26","ext-soap >= 8.5.* < 8.5.11"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T21:17:19.840","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-14181","references":[{"url":"https://github.com/php/php-src/security/advisories/GHSA-cj93-vc83-wgqv","label":"security@php.net"},{"url":"https://github.com/php/php-src/security/advisories/GHSA-cj93-vc83-wgqv","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-25T20:43:53.478398Z"},"ingestedAt":"2026-09-25T21:19:40.138Z","slug":"CVE-2025-14181","body":"## Overview\n\nThe SOAP HTTP client guards its response buffer growth with a check that relies on signed integer overflow, which is undefined behaviour and is not guaranteed to trigger. When the check is optimised away, a malicious SOAP server can make the client allocate a buffer far smaller than the data it then writes into it, producing a heap buffer overflow.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}