What is CVE-2026-19206?
A heap-based buffer overflow vulnerability has been discovered in MZ Automation libiec61850 up to version 1.6.1, affecting the ASDU Element Handler component via the `SVReceiver_stopThreadless` function in `src/sampled_values/sv_subscriber.c`. Affected systems should be urgently updated to the latest version.
Azərbaycanca: MZ Automation libiec61850 kitabxanasının 1.6.1 versiyasına qədər olan versiyalarında ASDU Element Handler komponentində heap-based buffer overflow zəifliyi aşkar edilib. Bu, `sv_subscriber.c` faylındakı `SVReceiver_stopThreadless` funksiyası vasitəsilə istismar edilə bilər. Təsirlənən sistemlərin təcili olaraq ən son versiyaya yenilənməsi tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-119
FAQ2
In which product was CVE-2026-19206 discovered?
It was discovered in MZ Automation libiec61850 up to version 1.6.1.
Which file and function are used to exploit this heap-based buffer overflow vulnerability?
It is exploited via the `SVReceiver_stopThreadless` function in the `src/sampled_values/sv_subscriber.c` file within the ASDU Element Handler component.
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.