CVE-2026-109618 | BDVDB-2026-393938 Detail
PHP GroupPHP
Description#
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state before performing an allocation. The subsequent request cleanup procedure may read or branch on this memory. Multiple OOM strategies can consistently trigger this condition and lead to remote code execution (RCE).
Impact#
CAPEC-234 Hijacking a privileged process
Weaknesses#
References#
- https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79w
- https://www.wiz.io/blog/php2shell-php-rce
- https://arcticwolf.com/resources/blog/php2shell-critical-php-vulnerabilities-enable-unauthenticated-remote-code-execution/
- https://php2shell.delftintellab.com
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-109618
- http://www.openwall.com/lists/oss-security/2026/10/21/6
- http://www.openwall.com/lists/oss-security/2026/10/23/5
- http://seclists.org/fulldisclosure/2026/Oct/51
- https://cert-portal.siemens.com/productcert/html/ssa-566512.html
- https://cert-portal.siemens.com/productcert/html/ssa-566435.html
- https://cert-portal.siemens.com/productcert/html/ssa-166980.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.