synced 11 MIN AGO
01 Record

CVE-2026-109618

RCE via OOM corruption

CriticalKEVPUBLISHEDCNA: php
CNA base score9.2 CVSS v4.0CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
View raw JSON

02 Description

RCE via OOM corruption

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-10-26. Federal remediation due 2026-10-29.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
99.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Ranks above 100.0% of scored records. A rank, not a probability.
NVD base score
9.2 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-26.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-21 13:48Z5 DAYS AGO
Last updated
2026-10-27 03:55Z4 HR AGO
Reserved
2026-10-12
Assigning CNA
php
Record state
PUBLISHED
Severity
Critical (CVSS 9.2)
CNA CVSS vector
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
Weaknesses
  • CWE-416Use After FreeVariant
  • CWE-755Improper Handling of Exceptional ConditionsClass
  • CWE-824Access of Uninitialized PointerBase
  • CWE-1325Improperly Controlled Sequential Memory AllocationBase
  • CWE-1419Incorrect Initialization of ResourceClass
Data version
5.2
Document digest
5fd072f7c5cd1256f2048cfc83e83ae8eab564e4993f2e9d5af0cb102dd2132f

05 Affected products

VendorProductVersionsPlatforms
PHP GroupPHP8.2.* to < 8.2.35, 8.3.* to < 8.3.36, 8.4.* to < 8.4.27, 8.5.* to < 8.5.12—

06 References