CVE-2026-77755: Unbounded Stix2 Deserialization

STIX 2 content is read and parsed without prior input size validation, potentially leading to memory exhaustion and denial of service.

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0Python
greprules fetch cve-2026-77755-unbounded-stix2-deserialization --engine opengrep

Description

STIX 2 content is read and parsed without prior input size validation, potentially leading to memory exhaustion and denial of service.