PT-2026-66631 · Mz Automation · Lib60870

CVE-2026-63033 · Publicado 2026-07-30 · Atualizado 2026-07-30

Mitre

CVSS v3.1

6.5

Média

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

A crafted IEC 60870-5-104 I-frame with a declared object count exceeding what fits in the ASDU body causes InformationObject ParseObjectAddress to read one byte past the end of the heap-allocated message buffer.

Correção

Out of bounds Read

Enumeração de Fraquezas

CWE-125

Identificadores relacionados

CVE-2026-63033

Produtos afetados

Lib60870

Referências · 4

• https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7 · Nota
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-11.json · Nota
• https://cisa.gov/news-events/ics-advisories/icsa-26-211-11 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-63033 · Nota de Segurança