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CVE Watch22 sept 2026

CVE-2026-88340

An invalid pointer release vulnerability exists in YARA 4.5.8 during deserialization of compiled .yrc rule files. The vulnerability is cause

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 22 sept 2026 · Última mod.: 22 sept 2026

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

An invalid pointer release vulnerability exists in YARA 4.5.8 during deserialization of compiled .yrc rule files. The vulnerability is caused by insufficient validation of external-variable pointers, which may lead to invalid free in yr_rules_destroy() or wild pointer access in yr_object_create(). An attacker can provide a specially crafted .yrc file that causes memory corruption and application crash.

Referencias oficiales
CVEs relacionados

Sin CVEs relacionados por CWE o producto.