What is CVE-2026-67857?
CVE-2026-67857 is an out-of-bounds read vulnerability in open62541 version 1.5.5, located in the client-side functions "responseReadNam" and "responseReadNamespacesArray()". A remote attacker can exploit this by sending a crafted response, potentially leading to information disclosure or a denial-of-service condition on the client application. Users are advised to immediately update the open62541 library to a patched version.
Azərbaycanca: CVE-2026-67857, open62541 1.5.5 versiyasında "responseReadNam" və "responseReadNamespacesArray()" funksiyalarında "out-of-bounds read" zəifliyidir. Bu zəiflikdən istifadə edən uzaqdan hücumçu xüsusi hazırlanmış cavab göndərərək client tətbiqində məlumat sızmasına və ya xidmət xaricə çıxmasına səbəb ola bilər. İstifadəçilərə dərhal open62541 kitabxanasını zəifliyin aradan qaldırıldığı yeni versiyaya yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-125
FAQ2
In which version of the open62541 library was CVE-2026-67857 discovered?
This vulnerability was identified in version 1.5.5 of the open62541 library.
What can an attacker potentially cause by exploiting CVE-2026-67857?
A remote attacker can send a crafted response, potentially leading to information disclosure or a denial-of-service condition on the client application.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.