SARA / Free Tools / KEV / CVE-2026-109618

CVE-2026-109618 — newly added to CISA KEV

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 cle

CISA KEV — Actively Exploited

PHP Memory Corruption Vulnerability

Vendor / Product
— / PHP Group / PHP
Added to KEV
2026-10-26
BOD 22-01 due
2026-10-29
Ransomware use
Unknown
CVSS / EPSS
9.8 CRITICAL · EPSS 100.00%

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
phpphp>= 7.3.0, < 8.2.35
phpphp>= 8.3.0, < 8.3.36
phpphp>= 8.4.0, < 8.4.27
phpphp>= 8.5.0, < 8.5.12
siemensruggedcom_ape1808_firmwareunspecified
paloaltonetworkspanos — >= 10.2.0, < 10.2.7
paloaltonetworkspanos — 10.2.7
paloaltonetworkspanos — 10.2.8
paloaltonetworkspanos — 10.2.9
paloaltonetworkspanos — 10.2.10
paloaltonetworkspanos — 10.2.11
paloaltonetworkspanos — 10.2.12
paloaltonetworkspanos — 10.2.13
paloaltonetworkspanos — 10.2.14
paloaltonetworkspanos — 10.2.15
paloaltonetworkspanos — 10.2.16
paloaltonetworkspanos — 10.2.17
paloaltonetworkspanos — 10.2.18
paloaltonetworkspanos — >= 11.1.0, < 11.1.4
paloaltonetworkspanos — 11.1.4
paloaltonetworkspanos — 11.1.5
paloaltonetworkspanos — 11.1.6
paloaltonetworkspanos — 11.1.7
paloaltonetworkspanos — 11.1.8
paloaltonetworkspanos — 11.1.9
paloaltonetworkspanos — 11.1.10
paloaltonetworkspanos — 11.1.11
paloaltonetworkspanos — 11.1.12
paloaltonetworkspanos — 11.1.13
paloaltonetworkspanos — 11.1.14
paloaltonetworkspanos — 11.1.15
paloaltonetworkspanos — 11.1.16
paloaltonetworkspanos — >= 11.2.0, < 11.2.4
paloaltonetworkspanos — 11.2.4
paloaltonetworkspanos — 11.2.5
paloaltonetworkspanos — 11.2.6
paloaltonetworkspanos — 11.2.7
paloaltonetworkspanos — 11.2.8
paloaltonetworkspanos — 11.2.9
paloaltonetworkspanos — 11.2.10
paloaltonetworkspanos — 11.2.11
paloaltonetworkspanos — 11.2.12
paloaltonetworkspanos — 11.2.13
paloaltonetworkspanos — 11.2.15
paloaltonetworkspanos — 11.2.16
paloaltonetworkspanos — >= 12.1.0, < 12.1.4
paloaltonetworkspanos — 12.1.4
paloaltonetworkspanos — 12.1.5
paloaltonetworkspanos — 12.1.6
paloaltonetworkspanos — 12.1.7

06Detection

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