CVE-2026-109618 RCE via OOM corruption

Tillverkarens beskrivning (engelska)

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).

Referensdata

Tillverkare

PHP Group

Berörda produkter

• PHP

CVSS 4.0

9.2 (CRITICAL)

Vektor

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Typ av svaghet

CWE-416: Use After Free

Publicerad

21 oktober 2026

I KEV-katalogen sedan

26 oktober 2026

Tidsfrist amerikanska federala myndigheter

29 oktober 2026

Officiella källor

• CVE.org
• NVD
• CISA KEV
• Tillverkarens advisory

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