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CVE-2026-109618

CRITICAL 9.2 PoC CATALOGUED DETECTION TEMPLATE

Published 2026-10-21 · Last modified 2026-10-23

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).

REPORTED EXPLOITATION

VulnCheck KEV reports exploitation for this CVE. These are source-specific reports; review the details and vendor guidance below.

Exploitation likelihood

100.0%chance of exploitation in 30 days · 100th percentile

○ In CISA KEV ● Catalogued PoC

Impact if exploited

9.2CVSS 4.0 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup
  • ⚠Requirements: Specific conditions must be present

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Detection templates

Detection checks are listed separately from PoCs.

Resource commands

nuclei -id CVE-2026-109618 -u https://TARGETDetection template — review its checks and affected versions before use.
searchsploit --cve CVE-2026-109618 && searchsploit -m 52704Fetch the ExploitDB PoC locally; review the code before running it.
curl -s https://vulnpedia.com/cve/CVE-2026-109618/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Php Group Siemens Php Paloaltonetworks

Products Php Ruggedcom Ape1808 Ruggedcom Ape1808 Firmware Pan Os Panorama M 200 Panorama M 300 Panorama M 500 Panorama M 600 Panorama M 700 Panorama Virtual Appliance Wf 500 Wf 500 B

Weakness (CWE)

  • CWE-416: Use after free
  • CWE-755: Improper Handling of Exceptional Conditions
  • CWE-824: Access of uninitialized pointer
  • CWE-1325: Improperly controlled sequential memory allocation
  • CWE-1419: Incorrect Initialization of Resource

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

References and research data (JSON)

Vendor product assessments

Showing 32 of 3770 vendor product statements; 3738 omitted. Read the full vendor advisory.

  • php-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_0.2?arch=aarch64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-pgsql-debuginfo-0:8.3.36-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_2?arch=x86_64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-dbg-debuginfo-0:7.4.33-8.module+el8.10.0+25117+30337cca.aarch64 (php:7.4) as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel8.10.0%2B25117%2B30337cca?arch=aarch64&rpmmod=php:7.4:8100020261021081045:f7998665

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-pgsql-0:8.2.35-1.module+el8.10.0+25110+f67151d2.ppc64le (php:8.2) as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel8.10.0%2B25110%2Bf67151d2?arch=ppc64le&rpmmod=php:8.2:8100020261020140951:f7998665

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-ldap-0:7.4.19-4.module+el8.6.0+25157+c2ff122e.3.x86_64 (php:7.4) as a component of Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel8.6.0%2B25157%2Bc2ff122e.3?arch=x86_64&rpmmod=php:7.4:8060020261022162503:5caa48ff

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-gd-0:8.0.30-1.el9_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_2.2?arch=aarch64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-mbstring-debuginfo-0:8.2.13-1.module+el9.4.0+25177+88c847cf.4.s390x (php:8.2) as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel9.4.0%2B25177%2B88c847cf.4?arch=s390x&rpmmod=php:8.2:9040020261023103113:9

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-fpm-0:8.0.30-3.el9_6.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_6.2?arch=x86_64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-common-0:8.3.36-1.module+el9.8.0+25109+6886e21a.x86_64 (php:8.3) as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel9.8.0%2B25109%2B6886e21a?arch=x86_64&rpmmod=php:8.3:9080020261020115403:9

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-opcache-0:8.2.35-1.module+el9.8.0+25111+a1450321.x86_64 (php:8.2) as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]%2Bel9.8.0%2B25111%2Ba1450321?arch=x86_64&rpmmod=php:8.2:9080020261020145734:9

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-xml-0:8.5.12-1.hum1@x86_64 as a component of Red Hat Hardened Images · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=x86_64&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Vendor guidance
    • workaround: See the security bulletin for a detailed mitigation procedure.
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-devel

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-intl as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-intl

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-pdo as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-pdo

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-soap as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-soap

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php.src as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php?arch=src

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • no fix planned: Out of support scope
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-dbg (php:8.4) as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-dbg?rpmmod=php:8.4

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • none available: Affected
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-gd (php:8.4) as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-gd?rpmmod=php:8.4

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • none available: Affected
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-mysqlnd (php:8.4) as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-mysqlnd?rpmmod=php:8.4

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • none available: Affected
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-snmp (php:8.4) as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/php-snmp?rpmmod=php:8.4

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • none available: Affected
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • devspaces/udi-rhel9 as a component of Red Hat OpenShift Dev Spaces · known affected

    Vendor assessment for this product only.

    pkg:oci/udi-rhel9?repository_url=registry.redhat.io/devspaces/udi-rhel9

    • workaround: See the security bulletin for a detailed mitigation procedure.
    • none available: Affected
    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-common as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-common

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-embedded as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-embedded

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-gd as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-gd

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-mbstring as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-mbstring

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-odbc as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-odbc

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-process as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-process

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-snmp as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-snmp

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • php-xmlrpc as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/php-xmlrpc

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00
  • devspaces/code-rhel9 as a component of Red Hat OpenShift Dev Spaces · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:oci/code-rhel9?repository_url=registry.redhat.io/devspaces/code-rhel9

    Red Hat · CVE-2026-109618 · Updated 2026-10-24T00:27:42+00:00

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

669 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

Known Affected Software Configurations

VendorProductVersion range
PhpPhp≥ 7.3.0 and < 8.2.35
PhpPhp≥ 8.3.0 and < 8.3.36
PhpPhp≥ 8.4.0 and < 8.4.27
PhpPhp≥ 8.5.0 and < 8.5.12
SiemensRuggedcom Ape1808 Firmware*
PaloaltonetworksPan Os≥ 10.2.0 and < 10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.7
PaloaltonetworksPan Os10.2.8
PaloaltonetworksPan Os10.2.9
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.10
PaloaltonetworksPan Os10.2.11
PaloaltonetworksPan Os10.2.12
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.13
PaloaltonetworksPan Os10.2.14
PaloaltonetworksPan Os10.2.15
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.16
PaloaltonetworksPan Os10.2.17
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os10.2.18
PaloaltonetworksPan Os≥ 11.1.0 and < 11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4
PaloaltonetworksPan Os11.1.4

Showing 120 of 249+ configuration entries. Full list on NVD.

All CVSS metrics

  • CRITICAL 9.2 v4.0 · CNA Primary
    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
  • CRITICAL 9.2 v4.0 · NVD Secondary
    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
  • CRITICAL 9.8 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Patches & mitigations

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS