CVE-2026-67863

Katalog CVE

CVSS 7.5 · High EPSS 0,74%

Kerentanan Use After Free. Skor CVSS 3.1 7.5 (High) menurut mitre.org.

Deskripsi (NVD)

In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes UA_Server_deleteMonitoredItem for the current local MonitoredItem. This allows a remote attacker to cause a denial of service.

Rincian

Terbit di NVD

5 Agustus 2026

Terakhir diubah

31 Agustus 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber mitre.org
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,74% peluang dieksploitasi; lebih tinggi dari 53,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/open62541/open62541/blob/v1.5.5/include/open62541/server.h
• https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_monitoreditem.c
• https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_subscription.c
• https://github.com/open62541/open62541/issues/8131