CVE-2026-17544

criticalpriority · attend · 49EPSS 0.004 · 36 %ileexploit · PoCDEEUNLUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

0.42% (36th) EPSS

CVSS 9.8 · critical

Is it mine?

25 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

v4.08.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:Nsecondary · ENISA EU

v4.08.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:N/R:X/V:X/RE:X/U:Xsecondary · security@php.net

v4.08.9highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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:N/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USCWE-787US

exploits (2)

Public proof-of-concept and weaponised exploit code.

affected products (25)

Products and version ranges known to be affected.

Oracle Communications Cloud Native Core Security Edge Protection Proxy 25.2.201all versionscert_bundDEcpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_25.2.201
Oracle Communications Cloud Native Core Security Edge Protection Proxy 26.1.200all versionscert_bundDEcpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_26.1.200
Oracle Communications MetaSolv Solution Module 70.0.0all versionscert_bundDEcpe:/a:oracle:communications:metasolv_solution_module_70.0.0
Oracle Communications Operations Monitor 6.1all versionscert_bundDEcpe:/a:oracle:communications:operations_monitor_6.1
Oracle Communications Service Catalog and Design 8.0-8.3all versionscert_bundDEcpe:/a:oracle:communications:service_catalog_and_design_8.0_-_8.3
Oracle Communications Unified Assurance 6.1.1-7.0.0all versionscert_bundDEcpe:/a:oracle:communications:unified_assurance_6.1.1_-_7.0.0
Oracle Communications Unified Assurance 7.0.0all versionscert_bundDEcpe:/a:oracle:communications:unified_assurance_7.0.0
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
PHP Group PHP8.4.* → 8.4.24enisa_euvdEU
PHP Group PHP8.5.* → 8.5.9enisa_euvdEU
Oracle Oracle Communications≤ vers:unknown/*ncsc_nlNL
Oracle Oracle Communications Cloud Native Core Console≤ vers:unknown/*ncsc_nlNL
Oracle Oracle Communications MetaSolv Solution Module - ASR≤ vers:unknown/*ncsc_nlNL
Oracle Oracle Communications Operations Monitor≤ vers:unknown/*ncsc_nlNL
Oracle Oracle Communications Service Catalog and Design≤ vers:unknown/*ncsc_nlNL
Oracle Oracle Communications Unified Assurance≤ vers:unknown/*ncsc_nlNL
php php8.4.0 → 8.4.24nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php8.5.0 → 8.5.9nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Bitnami libphp8.4.0 → 8.4.24osvUSpkg:bitnami/libphp

showing 20 of 25

advisories (6)

Vendor and ecosystem advisories describing this.

NCSC-2026-0375Kwetsbaarheden verholpen in Oracle CommunicationsNL2026-09-16csaf · ncsc_nlNL
Oracle heeft 31 kwetsbaarheden verholpen in diverse Oracle Communications-producten, waaronder Oracle Communications Unified Assurance, Oracle Communications Cloud Native Core Security Edge Protection Proxy, Oracle Communications MetaSolv Solution Module - ASR, Oracle Communications Service Catalog and Design en Oracle Communications Operations Monitor.
WID-SEC-W-2026-2598PHP: Mehrere SchwachstellenDeutsch2026-07-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in PHP ausnutzen, um SQL-Injection durchzuführen, beliebigen Code auszuführen, Daten zu manipulieren oder einen Denial-of-Service-Zustand auszulösen.
WID-SEC-W-2026-3403Oracle Communications: Mehrere SchwachstellenDeutsch2026-09-15csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
BIT-libphp-2026-17544Out-of-bounds write in bccomp() via crafted operand and scale2026-08-17vendor · osvUS
Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.
BIT-php-2026-17544Out-of-bounds write in bccomp() via crafted operand and scale2026-08-17vendor · osvUS
Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.
BIT-php-min-2026-17544Out-of-bounds write in bccomp() via crafted operand and scale2026-08-17vendor · osvUS
Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.

also known as (5)

Other names and identifiers for this entity.

CNNVD-2026-10383089 cnnvd
EUVD-2026-51091 enisa_euvd
BIT-libphp-2026-17544osv
BIT-php-2026-17544osv
BIT-php-min-2026-17544osv

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-07-30modified 2026-10-23

references (3)

External citations — patches, advisories, analysis.

scry

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