CyberRota Analysis
AI-GeneratedAn invalid pointer release vulnerability in YARA 4.5.8 affects the deserialization process of compiled .yrc rule files, stemming from inadequate validation of external-variable pointers. This flaw can lead to memory corruption and application crashes when processing specially crafted .yrc files. Organizations utilizing YARA for threat detection and analysis should prioritize addressing this vulnerability to mitigate potential disruptions and security risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
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.