CVE-2026-67858

Katalog CVE

CVSS 7.5 · High EPSS 0,86%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'). Skor CVSS 3.1 7.5 (High) menurut mitre.org.

Deskripsi (NVD)

Buffer Overflow vulnerability exists in open62541 1.5.5 when the Local Discovery Server (LDS) is built with multicast discovery enabled through the MDNSD backend. An unauthenticated remote attacker can send a RegisterServer or RegisterServer2 request containing many unique discoveryUrls. This allows remote attackers to cause a denial of service.

Rincian

Terbit di NVD

4 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,86% peluang dieksploitasi; lebih tinggi dari 57,3% 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/master/doc/building.rst
• https://github.com/open62541/open62541/blob/master/src/server/ua_discovery_mdns.c
• https://github.com/open62541/open62541/blob/master/src/server/ua_services_discovery.c
• https://github.com/open62541/open62541/issues/8094
• https://github.com/open62541/open62541/tree/master/examples/discovery